| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Luigi Mangione
|
271,070
|
8,744
|
B
|
Low
|
| 2
|
Nuclear weapon
|
195,197
|
6,296
|
C
|
High
|
| 3
|
Computer
|
155,683
|
5,022
|
B
|
High
|
| 4
|
Global Airlines
|
143,704
|
4,635
|
Unknown
|
Unknown
|
| 5
|
Harrison Ruffin Tyler
|
109,793
|
3,541
|
C
|
Low
|
| 6
|
Newton's laws of motion
|
81,697
|
2,635
|
B
|
Top
|
| 7
|
Massachusetts Institute of Technology
|
79,349
|
2,559
|
B
|
Mid
|
| 8
|
Glock switch
|
76,612
|
2,471
|
C
|
Low
|
| 9
|
Honda K engine
|
73,646
|
2,375
|
C
|
Low
|
| 10
|
BMW B58
|
69,889
|
2,254
|
C
|
Low
|
| 11
|
Francis Scott Key Bridge collapse
|
66,986
|
2,160
|
B
|
Mid
|
| 12
|
Airbus A321neo
|
64,540
|
2,081
|
C
|
Low
|
| 13
|
Little Boy
|
62,540
|
2,017
|
GA
|
High
|
| 14
|
Indian Institutes of Technology
|
62,250
|
2,008
|
B
|
Mid
|
| 15
|
Cloud computing
|
60,026
|
1,936
|
C
|
Mid
|
| 16
|
GameCube
|
54,593
|
1,761
|
B
|
Low
|
| 17
|
Entropy (information theory)
|
53,717
|
1,732
|
C
|
High
|
| 18
|
Technology
|
53,716
|
1,732
|
B
|
Top
|
| 19
|
Trinity (nuclear test)
|
51,496
|
1,661
|
FA
|
Top
|
| 20
|
Programmer
|
50,773
|
1,637
|
C
|
Mid
|
| 21
|
Ford Model T
|
50,405
|
1,625
|
B
|
Low
|
| 22
|
HDMI
|
49,895
|
1,609
|
B
|
Mid
|
| 23
|
Nuclear warfare
|
48,057
|
1,550
|
C
|
High
|
| 24
|
Internet of things
|
47,926
|
1,546
|
B
|
High
|
| 25
|
Fat Man
|
46,420
|
1,497
|
GA
|
High
|
| 26
|
Murphy's law
|
46,167
|
1,489
|
C
|
Low
|
| 27
|
Metric prefix
|
44,911
|
1,448
|
C
|
Unknown
|
| 28
|
Adrian Newey
|
42,771
|
1,379
|
B
|
Low
|
| 29
|
Larsen & Toubro
|
41,604
|
1,342
|
C
|
High
|
| 30
|
Dirac delta function
|
40,680
|
1,312
|
GA
|
High
|
| 31
|
Air conditioning
|
40,489
|
1,306
|
C
|
Mid
|
| 32
|
Fourth Industrial Revolution
|
39,951
|
1,288
|
C
|
Low
|
| 33
|
Dyson sphere
|
37,980
|
1,225
|
C
|
Mid
|
| 34
|
International Organization for Standardization
|
37,645
|
1,214
|
C
|
Mid
|
| 35
|
Steam engine
|
37,521
|
1,210
|
C
|
High
|
| 36
|
Active electronically scanned array
|
37,456
|
1,208
|
C
|
Low
|
| 37
|
Erie Canal
|
37,435
|
1,207
|
C
|
Mid
|
| 38
|
Shiva Ayyadurai
|
37,358
|
1,205
|
C
|
Low
|
| 39
|
IP code
|
37,351
|
1,204
|
C
|
Mid
|
| 40
|
The O2 Arena
|
36,920
|
1,190
|
C
|
Low
|
| 41
|
Diesel engine
|
36,689
|
1,183
|
C
|
Mid
|
| 42
|
Torque
|
35,922
|
1,158
|
C
|
Mid
|
| 43
|
Robot
|
35,450
|
1,143
|
B
|
Top
|
| 44
|
Hard disk drive
|
35,390
|
1,141
|
B
|
High
|
| 45
|
Intellectual property
|
34,643
|
1,117
|
B
|
Top
|
| 46
|
Engineering
|
34,537
|
1,114
|
C
|
Top
|
| 47
|
Nuclear weapons and Israel
|
33,556
|
1,082
|
B
|
Low
|
| 48
|
WD-40
|
32,926
|
1,062
|
C
|
Low
|
| 49
|
Citicorp Center engineering crisis
|
32,918
|
1,061
|
Start
|
Low
|
| 50
|
Nuclear reactor
|
32,785
|
1,057
|
B
|
Mid
|
| 51
|
MAGURA V5
|
32,758
|
1,056
|
Start
|
Unknown
|
| 52
|
BMW N55
|
32,099
|
1,035
|
C
|
Low
|
| 53
|
Continuously variable transmission
|
32,066
|
1,034
|
C
|
Mid
|
| 54
|
Ferdinand Porsche
|
31,860
|
1,027
|
Start
|
Low
|
| 55
|
Electrical engineering
|
31,754
|
1,024
|
B
|
Top
|
| 56
|
Millennium Dome
|
31,581
|
1,018
|
B
|
Mid
|
| 57
|
Ideal gas law
|
31,098
|
1,003
|
C
|
Mid
|
| 58
|
John DeLorean
|
30,136
|
972
|
B
|
High
|
| 59
|
Technology readiness level
|
30,123
|
971
|
C
|
Mid
|
| 60
|
Solid-state drive
|
30,101
|
971
|
C
|
Mid
|
| 61
|
Northeastern University
|
30,021
|
968
|
B
|
Low
|
| 62
|
Self-driving car
|
29,987
|
967
|
B
|
Top
|
| 63
|
Civil engineering
|
29,907
|
964
|
C
|
Top
|
| 64
|
Momentum
|
29,745
|
959
|
B
|
Top
|
| 65
|
Mechanical engineering
|
29,608
|
955
|
B
|
Top
|
| 66
|
Genetic engineering
|
29,551
|
953
|
GA
|
High
|
| 67
|
Carl Benz
|
29,484
|
951
|
C
|
High
|
| 68
|
Heating, ventilation, and air conditioning
|
29,431
|
949
|
C
|
High
|
| 69
|
Enterprise resource planning
|
29,425
|
949
|
B
|
Mid
|
| 70
|
Quantum logic gate
|
29,158
|
940
|
C
|
Unknown
|
| 71
|
Nuclear submarine
|
29,033
|
936
|
C
|
Unknown
|
| 72
|
Optical fiber
|
28,575
|
921
|
C
|
Mid
|
| 73
|
BMW N52
|
28,497
|
919
|
C
|
Low
|
| 74
|
Thermodynamics
|
28,495
|
919
|
B
|
Unknown
|
| 75
|
Electric motor
|
28,298
|
912
|
C
|
High
|
| 76
|
Abdul Latif Rashid
|
28,234
|
910
|
Start
|
Low
|
| 77
|
Diesel fuel
|
28,200
|
909
|
C
|
Mid
|
| 78
|
Printed circuit board
|
28,081
|
905
|
B
|
High
|
| 79
|
Laptop
|
28,018
|
903
|
Start
|
Mid
|
| 80
|
Decision-making
|
27,815
|
897
|
C
|
Top
|
| 81
|
Three-phase electric power
|
27,725
|
894
|
C
|
Low
|
| 82
|
Toyota UZ engine
|
27,582
|
889
|
C
|
Low
|
| 83
|
Ramjet
|
27,434
|
884
|
C
|
Low
|
| 84
|
Engine
|
26,375
|
850
|
C
|
High
|
| 85
|
CFM International CFM56
|
26,237
|
846
|
A
|
Low
|
| 86
|
Science, technology, engineering, and mathematics
|
25,777
|
831
|
C
|
Low
|
| 87
|
Tire
|
25,523
|
823
|
C
|
Low
|
| 88
|
Nominal Pipe Size
|
25,318
|
816
|
Unknown
|
Unknown
|
| 89
|
Laura Müller (motorsport)
|
25,307
|
816
|
Start
|
Low
|
| 90
|
Robotics
|
24,704
|
796
|
B
|
Top
|
| 91
|
Software engineering
|
24,661
|
795
|
C
|
Top
|
| 92
|
Scramjet
|
24,620
|
794
|
C
|
Low
|
| 93
|
BMW N63
|
24,592
|
793
|
C
|
Low
|
| 94
|
Rube Goldberg
|
24,492
|
790
|
C
|
Mid
|
| 95
|
Gustave Eiffel
|
24,438
|
788
|
B
|
Mid
|
| 96
|
Honda L engine
|
24,359
|
785
|
C
|
Low
|
| 97
|
Parkinson's law
|
24,357
|
785
|
C
|
High
|
| 98
|
Jet engine
|
24,103
|
777
|
C
|
High
|
| 99
|
BMW M52
|
23,788
|
767
|
Unknown
|
Unknown
|
| 100
|
Straight-six engine
|
23,320
|
752
|
C
|
Low
|
| 101
|
Supercharger
|
22,989
|
741
|
C
|
Low
|
| 102
|
Flight airspeed record
|
22,945
|
740
|
C
|
Unknown
|
| 103
|
Rex Tillerson
|
22,819
|
736
|
C
|
Mid
|
| 104
|
Cummins
|
22,760
|
734
|
C
|
Mid
|
| 105
|
Computer numerical control
|
22,677
|
731
|
C
|
High
|
| 106
|
5S (methodology)
|
22,635
|
730
|
Start
|
Low
|
| 107
|
Twin-turbo
|
22,526
|
726
|
C
|
Low
|
| 108
|
Vannevar Bush
|
22,053
|
711
|
FA
|
Mid
|
| 109
|
Aerospace engineering
|
21,780
|
702
|
C
|
Top
|
| 110
|
Hyperloop
|
21,596
|
696
|
C
|
High
|
| 111
|
Rolls-Royce Merlin
|
21,316
|
687
|
FA
|
High
|
| 112
|
Institute of Electrical and Electronics Engineers
|
21,229
|
684
|
B
|
High
|
| 113
|
Ceramic
|
21,011
|
677
|
B
|
Mid
|
| 114
|
Computer-aided design
|
20,888
|
673
|
C
|
High
|
| 115
|
Two-stroke engine
|
20,807
|
671
|
C
|
Mid
|
| 116
|
SCADA
|
20,781
|
670
|
C
|
Mid
|
| 117
|
AutoCAD
|
20,613
|
664
|
C
|
Mid
|
| 118
|
Idea
|
20,573
|
663
|
C
|
High
|
| 119
|
Carburetor
|
20,398
|
658
|
C
|
Mid
|
| 120
|
Big Dig
|
20,294
|
654
|
B
|
Mid
|
| 121
|
Brick
|
20,209
|
651
|
C
|
Mid
|
| 122
|
V12 engine
|
20,042
|
646
|
C
|
Mid
|
| 123
|
Venturi effect
|
20,003
|
645
|
C
|
Mid
|
| 124
|
Rust
|
19,808
|
638
|
C
|
High
|
| 125
|
CE marking
|
19,717
|
636
|
C
|
Mid
|
| 126
|
Metallurgy
|
19,682
|
634
|
C
|
Top
|
| 127
|
Computer engineering
|
19,662
|
634
|
C
|
Top
|
| 128
|
List of screw drives
|
19,459
|
627
|
List
|
Mid
|
| 129
|
Cast iron
|
19,331
|
623
|
C
|
Mid
|
| 130
|
Drag (physics)
|
19,130
|
617
|
C
|
High
|
| 131
|
Brushless DC electric motor
|
19,052
|
614
|
C
|
High
|
| 132
|
Hexagon
|
18,893
|
609
|
C
|
Low
|
| 133
|
KISS principle
|
18,808
|
606
|
Start
|
High
|
| 134
|
Prince engine
|
18,632
|
601
|
C
|
Low
|
| 135
|
BMW M50
|
18,414
|
594
|
C
|
Low
|
| 136
|
Taxonomy
|
18,181
|
586
|
Start
|
Low
|
| 137
|
Four-stroke engine
|
18,179
|
586
|
C
|
High
|
| 138
|
Materials science
|
18,067
|
582
|
B
|
Top
|
| 139
|
Engineer
|
18,062
|
582
|
C
|
Top
|
| 140
|
Planned obsolescence
|
18,025
|
581
|
C
|
High
|
| 141
|
Do it yourself
|
17,999
|
580
|
C
|
Low
|
| 142
|
BMW N57
|
17,979
|
579
|
Start
|
Low
|
| 143
|
Lean manufacturing
|
17,972
|
579
|
C
|
Mid
|
| 144
|
Ishikawa diagram
|
17,885
|
576
|
Start
|
Mid
|
| 145
|
Problem solving
|
17,828
|
575
|
C
|
High
|
| 146
|
Tokamak
|
17,724
|
571
|
C
|
Low
|
| 147
|
Pareto efficiency
|
17,623
|
568
|
C
|
Mid
|
| 148
|
Project management
|
17,567
|
566
|
B
|
High
|
| 149
|
Fluid dynamics
|
17,564
|
566
|
B
|
High
|
| 150
|
Ringworld
|
17,561
|
566
|
B
|
Low
|
| 151
|
Amy Schneider
|
17,520
|
565
|
C
|
Low
|
| 152
|
Crane (machine)
|
17,374
|
560
|
B
|
Mid
|
| 153
|
Oil platform
|
17,356
|
559
|
C
|
Mid
|
| 154
|
Peter Bonnington
|
17,313
|
558
|
Start
|
Low
|
| 155
|
Audio engineer
|
17,268
|
557
|
C
|
Mid
|
| 156
|
Analog computer
|
17,233
|
555
|
B
|
Low
|
| 157
|
Big data
|
17,208
|
555
|
B
|
High
|
| 158
|
Land speed record
|
17,173
|
553
|
C
|
Mid
|
| 159
|
Simple machine
|
17,157
|
553
|
C
|
High
|
| 160
|
IIT Kharagpur
|
17,120
|
552
|
B
|
Mid
|
| 161
|
Radioactive waste
|
16,847
|
543
|
B
|
Low
|
| 162
|
Pykrete
|
16,755
|
540
|
C
|
Low
|
| 163
|
IIT Bombay
|
16,618
|
536
|
C
|
Mid
|
| 164
|
Boston Dynamics
|
16,553
|
533
|
C
|
Low
|
| 165
|
Boiling point
|
16,511
|
532
|
B
|
High
|
| 166
|
Mechatronics
|
16,499
|
532
|
Start
|
Mid
|
| 167
|
Gear
|
16,443
|
530
|
B
|
High
|
| 168
|
Wrought iron
|
16,415
|
529
|
C
|
Mid
|
| 169
|
Minimum viable product
|
16,262
|
524
|
Start
|
High
|
| 170
|
San Juanico Bridge
|
16,141
|
520
|
C
|
Low
|
| 171
|
Tuned mass damper
|
16,046
|
517
|
C
|
Mid
|
| 172
|
Diffusion of innovations
|
15,785
|
509
|
C
|
Mid
|
| 173
|
Infrastructure
|
15,771
|
508
|
C
|
High
|
| 174
|
Rudolf Diesel
|
15,735
|
507
|
C
|
Mid
|
| 175
|
Information security
|
15,731
|
507
|
B
|
High
|
| 176
|
Molten-salt reactor
|
15,721
|
507
|
B
|
Unknown
|
| 177
|
Systems engineering
|
15,654
|
504
|
B
|
High
|
| 178
|
Oil refinery
|
15,579
|
502
|
B
|
Mid
|
| 179
|
Carbon steel
|
15,526
|
500
|
C
|
High
|
| 180
|
Automation
|
15,500
|
500
|
B
|
High
|
| 181
|
Smelting
|
15,468
|
498
|
C
|
Low
|
| 182
|
Steam turbine
|
15,464
|
498
|
C
|
Mid
|
| 183
|
Santiago Calatrava
|
15,411
|
497
|
C
|
High
|
| 184
|
Gartner hype cycle
|
15,409
|
497
|
C
|
Mid
|
| 185
|
Phased array
|
15,401
|
496
|
C
|
Low
|
| 186
|
Space elevator
|
15,357
|
495
|
B
|
Mid
|
| 187
|
Lever
|
15,307
|
493
|
B
|
Mid
|
| 188
|
Power factor
|
15,250
|
491
|
B
|
Low
|
| 189
|
Antenna (radio)
|
15,230
|
491
|
C
|
Low
|
| 190
|
Rebar
|
15,185
|
489
|
C
|
High
|
| 191
|
Euclidean vector
|
15,123
|
487
|
B
|
Low
|
| 192
|
Weather modification
|
15,001
|
483
|
B
|
Low
|
| 193
|
Stress–strain curve
|
14,991
|
483
|
Start
|
Unknown
|
| 194
|
Dipole antenna
|
14,786
|
476
|
B
|
Mid
|
| 195
|
Citadel
|
14,774
|
476
|
C
|
Low
|
| 196
|
Bastion fort
|
14,750
|
475
|
Start
|
Unknown
|
| 197
|
Speed records in rail transport
|
14,741
|
475
|
List
|
Unknown
|
| 198
|
Toyota A transmission
|
14,737
|
475
|
List
|
Low
|
| 199
|
Noise pollution
|
14,610
|
471
|
C
|
Mid
|
| 200
|
Andrea Stella (engineer)
|
14,605
|
471
|
Start
|
Low
|
| 201
|
ISO metric screw thread
|
14,554
|
469
|
C
|
Mid
|
| 202
|
Mobile device
|
14,477
|
467
|
Start
|
Low
|
| 203
|
Risk management
|
14,421
|
465
|
C
|
High
|
| 204
|
Bachelor of Engineering
|
14,412
|
464
|
Start
|
Mid
|
| 205
|
Law of triviality
|
14,377
|
463
|
C
|
Mid
|
| 206
|
Nikolai Fomin (engineer)
|
14,338
|
462
|
Start
|
Unknown
|
| 207
|
AECOM
|
14,325
|
462
|
C
|
Low
|
| 208
|
Francis Scott Key Bridge (Baltimore)
|
14,234
|
459
|
B
|
Low
|
| 209
|
Nissan MR engine
|
14,179
|
457
|
Start
|
Low
|
| 210
|
List of BMW engines
|
14,133
|
455
|
List
|
Low
|
| 211
|
Engineering drawing abbreviations and symbols
|
14,110
|
455
|
List
|
Low
|
| 212
|
Innovation
|
14,080
|
454
|
B
|
Top
|
| 213
|
Volvo Engine Architecture
|
14,073
|
453
|
List
|
Low
|
| 214
|
Baykar Bayraktar TB3
|
13,966
|
450
|
Start
|
Unknown
|
| 215
|
Operations research
|
13,883
|
447
|
C
|
High
|
| 216
|
Building information modeling
|
13,876
|
447
|
C
|
Mid
|
| 217
|
Otis Worldwide
|
13,840
|
446
|
Start
|
Unknown
|
| 218
|
Epicyclic gearing
|
13,827
|
446
|
B
|
Mid
|
| 219
|
Maintenance
|
13,789
|
444
|
C
|
High
|
| 220
|
Project Habakkuk
|
13,778
|
444
|
C
|
Low
|
| 221
|
Combined cycle power plant
|
13,602
|
438
|
B
|
High
|
| 222
|
Mass production
|
13,543
|
436
|
C
|
Mid
|
| 223
|
Composite material
|
13,528
|
436
|
C
|
High
|
| 224
|
List of megaprojects
|
13,512
|
435
|
List
|
Unknown
|
| 225
|
Excavator
|
13,380
|
431
|
C
|
Unknown
|
| 226
|
BMW B57
|
13,379
|
431
|
Start
|
Low
|
| 227
|
BMW N20
|
13,376
|
431
|
Unknown
|
Unknown
|
| 228
|
Bulldozer
|
13,297
|
428
|
Start
|
High
|
| 229
|
Carnot cycle
|
13,269
|
428
|
B
|
Mid
|
| 230
|
The purpose of a system is what it does
|
13,264
|
427
|
Start
|
Low
|
| 231
|
Rocket engine
|
13,228
|
426
|
C
|
Mid
|
| 232
|
Failure mode and effects analysis
|
13,159
|
424
|
C
|
High
|
| 233
|
Van
|
13,098
|
422
|
Start
|
Low
|
| 234
|
Geoengineering
|
13,086
|
422
|
B
|
Mid
|
| 235
|
Tungsten carbide
|
13,076
|
421
|
B
|
Mid
|
| 236
|
Julie Payette
|
13,054
|
421
|
B
|
Low
|
| 237
|
Biomedical engineering
|
13,041
|
420
|
B
|
Top
|
| 238
|
Clutch
|
13,022
|
420
|
C
|
Mid
|
| 239
|
SAE 304 stainless steel
|
12,922
|
416
|
C
|
Low
|
| 240
|
Slate
|
12,715
|
410
|
Start
|
Low
|
| 241
|
Brunel University of London
|
12,709
|
409
|
C
|
High
|
| 242
|
Synchronous motor
|
12,702
|
409
|
C
|
High
|
| 243
|
High availability
|
12,611
|
406
|
C
|
Low
|
| 244
|
Sustainable energy
|
12,561
|
405
|
FA
|
High
|
| 245
|
Humanoid robot
|
12,525
|
404
|
C
|
Top
|
| 246
|
Supply chain management
|
12,500
|
403
|
B
|
Mid
|
| 247
|
O'Neill cylinder
|
12,487
|
402
|
C
|
Unknown
|
| 248
|
Slag
|
12,483
|
402
|
C
|
Low
|
| 249
|
Overhead valve engine
|
12,397
|
399
|
C
|
Mid
|
| 250
|
Web of Science
|
12,334
|
397
|
C
|
Low
|
| 251
|
TDI (engine)
|
12,264
|
395
|
Start
|
Mid
|
| 252
|
Hex key
|
12,232
|
394
|
C
|
Mid
|
| 253
|
Groq
|
12,186
|
393
|
C
|
Low
|
| 254
|
Pump
|
12,137
|
391
|
C
|
High
|
| 255
|
WSP Global
|
12,123
|
391
|
Start
|
High
|
| 256
|
Drag reduction system
|
12,053
|
388
|
C
|
Low
|
| 257
|
Scopus
|
11,925
|
384
|
Start
|
Low
|
| 258
|
Turbo encabulator
|
11,807
|
380
|
C
|
Unknown
|
| 259
|
Actuator
|
11,794
|
380
|
Start
|
Low
|
| 260
|
Thermal power station
|
11,787
|
380
|
C
|
High
|
| 261
|
Cryogenics
|
11,781
|
380
|
C
|
Mid
|
| 262
|
Scram
|
11,706
|
377
|
C
|
Low
|
| 263
|
The O2
|
11,655
|
375
|
B
|
Mid
|
| 264
|
Start-stop system
|
11,598
|
374
|
C
|
Low
|
| 265
|
AST SpaceMobile
|
11,564
|
373
|
Start
|
Low
|
| 266
|
Blueprint
|
11,487
|
370
|
Start
|
High
|
| 267
|
Hero of Alexandria
|
11,486
|
370
|
C
|
Mid
|
| 268
|
Risk
|
11,398
|
367
|
C
|
Top
|
| 269
|
Arup Group
|
11,377
|
367
|
Start
|
Mid
|
| 270
|
IIT Delhi
|
11,344
|
365
|
C
|
Mid
|
| 271
|
Fatigue (material)
|
11,339
|
365
|
C
|
High
|
| 272
|
Unobtainium
|
11,247
|
362
|
C
|
Low
|
| 273
|
Chemical engineering
|
11,233
|
362
|
C
|
Top
|
| 274
|
Robotic process automation
|
11,220
|
361
|
C
|
Low
|
| 275
|
Chrysler B engine
|
11,219
|
361
|
Start
|
Low
|
| 276
|
Servomotor
|
11,217
|
361
|
Start
|
Unknown
|
| 277
|
Pulley
|
11,203
|
361
|
C
|
Top
|
| 278
|
Motor oil
|
11,201
|
361
|
C
|
Low
|
| 279
|
SolidWorks
|
11,196
|
361
|
Start
|
Low
|
| 280
|
Futures studies
|
11,196
|
361
|
B
|
Low
|
| 281
|
Forging
|
11,184
|
360
|
B
|
Mid
|
| 282
|
Wrench
|
11,175
|
360
|
C
|
High
|
| 283
|
Yagi–Uda antenna
|
11,108
|
358
|
C
|
Low
|
| 284
|
Vilfredo Pareto
|
11,088
|
357
|
C
|
Low
|
| 285
|
Hydraulics
|
11,084
|
357
|
C
|
Top
|
| 286
|
AtkinsRéalis
|
11,017
|
355
|
C
|
Low
|
| 287
|
Material
|
11,003
|
354
|
Start
|
Low
|
| 288
|
Heavy equipment
|
10,983
|
354
|
C
|
High
|
| 289
|
Root cause analysis
|
10,977
|
354
|
C
|
Mid
|
| 290
|
Von Mises yield criterion
|
10,973
|
353
|
Start
|
Mid
|
| 291
|
Industrial engineering
|
10,963
|
353
|
Start
|
High
|
| 292
|
Limited-slip differential
|
10,894
|
351
|
C
|
Low
|
| 293
|
List of engineering branches
|
10,864
|
350
|
List
|
Low
|
| 294
|
Diorama
|
10,781
|
347
|
C
|
Low
|
| 295
|
XY problem
|
10,750
|
346
|
Start
|
Low
|
| 296
|
List of commercial nuclear reactors
|
10,747
|
346
|
List
|
Low
|
| 297
|
Kiln
|
10,716
|
345
|
C
|
High
|
| 298
|
Aerodynamics
|
10,701
|
345
|
B
|
Top
|
| 299
|
Francis Scott Key Bridge replacement
|
10,699
|
345
|
B
|
Low
|
| 300
|
AGA cooker
|
10,666
|
344
|
Start
|
Low
|
| 301
|
Petroleum industry
|
10,620
|
342
|
C
|
Low
|
| 302
|
Barry Voight
|
10,611
|
342
|
FA
|
Low
|
| 303
|
Analysis paralysis
|
10,606
|
342
|
C
|
High
|
| 304
|
PSA EW/DW engine
|
10,593
|
341
|
C
|
Low
|
| 305
|
Impulse (physics)
|
10,583
|
341
|
Start
|
High
|
| 306
|
Poka-yoke
|
10,568
|
340
|
C
|
High
|
| 307
|
Cultured meat
|
10,560
|
340
|
B
|
Low
|
| 308
|
Optical disc
|
10,522
|
339
|
C
|
Unknown
|
| 309
|
Rack and pinion
|
10,522
|
339
|
C
|
Mid
|
| 310
|
Straight-three engine
|
10,520
|
339
|
C
|
Mid
|
| 311
|
Subaru WRX STI
|
10,486
|
338
|
Unknown
|
Unknown
|
| 312
|
Rotary engine
|
10,424
|
336
|
C
|
Unknown
|
| 313
|
Spinning jenny
|
10,359
|
334
|
Start
|
High
|
| 314
|
Turbo-diesel
|
10,317
|
332
|
C
|
Mid
|
| 315
|
Hilti
|
10,296
|
332
|
Start
|
Unknown
|
| 316
|
Timing belt (camshaft)
|
10,232
|
330
|
C
|
Mid
|
| 317
|
Common rail
|
10,216
|
329
|
C
|
Mid
|
| 318
|
Gas tungsten arc welding
|
10,118
|
326
|
FA
|
Mid
|
| 319
|
Chemical industry
|
10,090
|
325
|
Start
|
High
|
| 320
|
Radial engine
|
10,083
|
325
|
B
|
Unknown
|
| 321
|
Waterfall model
|
10,033
|
323
|
C
|
Mid
|
| 322
|
Monocoque
|
10,016
|
323
|
C
|
High
|
| 323
|
Hammer
|
9,960
|
321
|
C
|
Mid
|
| 324
|
Seasteading
|
9,957
|
321
|
Start
|
Low
|
| 325
|
Archimedes' screw
|
9,948
|
320
|
C
|
Low
|
| 326
|
Coandă effect
|
9,940
|
320
|
C
|
Low
|
| 327
|
Daniel Gabriel Fahrenheit
|
9,881
|
318
|
C
|
Low
|
| 328
|
Engineer's Ring
|
9,871
|
318
|
Start
|
Low
|
| 329
|
Straight-five engine
|
9,841
|
317
|
C
|
Low
|
| 330
|
Sam Brinton
|
9,841
|
317
|
Start
|
Low
|
| 331
|
Goupitan shiplift
|
9,841
|
317
|
C
|
Low
|
| 332
|
Turbine
|
9,826
|
316
|
C
|
High
|
| 333
|
Aeronautics
|
9,799
|
316
|
C
|
High
|
| 334
|
Compact crossover SUV
|
9,775
|
315
|
C
|
Low
|
| 335
|
Crankcase ventilation system
|
9,772
|
315
|
C
|
Low
|
| 336
|
Atkinson cycle
|
9,759
|
314
|
C
|
High
|
| 337
|
Vibration
|
9,737
|
314
|
B
|
High
|
| 338
|
BMW N62
|
9,730
|
313
|
C
|
Low
|
| 339
|
Royal Engineers
|
9,719
|
313
|
C
|
Low
|
| 340
|
Structural integrity and failure
|
9,706
|
313
|
C
|
Unknown
|
| 341
|
Electronic engineering
|
9,686
|
312
|
C
|
High
|
| 342
|
Aluminium alloy
|
9,684
|
312
|
C
|
High
|
| 343
|
Colossus computer
|
9,649
|
311
|
B
|
Unknown
|
| 344
|
Car suspension
|
9,614
|
310
|
C
|
High
|
| 345
|
Bluing (steel)
|
9,604
|
309
|
C
|
Low
|
| 346
|
Regenerative braking
|
9,598
|
309
|
C
|
Low
|
| 347
|
Bagger 288
|
9,579
|
309
|
Start
|
Mid
|
| 348
|
Aqueduct (water supply)
|
9,574
|
308
|
C
|
Low
|
| 349
|
IIT Kanpur
|
9,572
|
308
|
C
|
Mid
|
| 350
|
Simulation
|
9,532
|
307
|
B
|
Mid
|
| 351
|
Telford
|
9,526
|
307
|
B
|
Mid
|
| 352
|
Drill
|
9,494
|
306
|
C
|
Mid
|
| 353
|
Peter Madsen
|
9,494
|
306
|
C
|
Low
|
| 354
|
Assembly line
|
9,438
|
304
|
C
|
Mid
|
| 355
|
Equations of motion
|
9,407
|
303
|
B
|
Mid
|
| 356
|
Stepper motor
|
9,401
|
303
|
C
|
Unknown
|
| 357
|
Right to repair
|
9,388
|
302
|
B
|
Unknown
|
| 358
|
Isometric projection
|
9,333
|
301
|
Start
|
Mid
|
| 359
|
Dick Strawbridge
|
9,330
|
300
|
C
|
Low
|
| 360
|
BMW M30
|
9,326
|
300
|
C
|
Low
|
| 361
|
Surface roughness
|
9,301
|
300
|
C
|
Low
|
| 362
|
Biological engineering
|
9,300
|
300
|
C
|
High
|
| 363
|
Escorts Kubota Limited
|
9,296
|
299
|
Start
|
Unknown
|
| 364
|
Aerospace
|
9,224
|
297
|
C
|
High
|
| 365
|
Neuromorphic computing
|
9,217
|
297
|
B
|
Low
|
| 366
|
Master–slave (technology)
|
9,198
|
296
|
Start
|
Mid
|
| 367
|
Diesel particulate filter
|
9,196
|
296
|
C
|
Low
|
| 368
|
Calvin Mackie
|
9,192
|
296
|
Start
|
Low
|
| 369
|
Revolutions per minute
|
9,172
|
295
|
Start
|
Mid
|
| 370
|
Iron Ring
|
9,140
|
294
|
C
|
Low
|
| 371
|
Boiler
|
9,088
|
293
|
C
|
High
|
| 372
|
BMW S85
|
9,080
|
292
|
Start
|
Low
|
| 373
|
Compression ratio
|
9,079
|
292
|
C
|
Low
|
| 374
|
General Electric Company
|
9,073
|
292
|
Start
|
Low
|
| 375
|
Proof of concept
|
8,948
|
288
|
Start
|
High
|
| 376
|
Pipeline
|
8,914
|
287
|
B
|
Mid
|
| 377
|
Fissile material
|
8,893
|
286
|
C
|
Low
|
| 378
|
Chimney
|
8,862
|
285
|
B
|
Mid
|
| 379
|
Combat engineer
|
8,838
|
285
|
C
|
Mid
|
| 380
|
Flat engine
|
8,795
|
283
|
C
|
Mid
|
| 381
|
Volvo D5 engine
|
8,792
|
283
|
Start
|
Low
|
| 382
|
Project Plowshare
|
8,760
|
282
|
C
|
Low
|
| 383
|
Camshaft
|
8,708
|
280
|
B
|
Mid
|
| 384
|
Military engineering
|
8,664
|
279
|
C
|
Low
|
| 385
|
Cogeneration
|
8,645
|
278
|
C
|
Low
|
| 386
|
Gianpiero Lambiase
|
8,623
|
278
|
Start
|
Low
|
| 387
|
List of vehicle speed records
|
8,617
|
277
|
List
|
Unknown
|
| 388
|
Deep sea mining
|
8,610
|
277
|
C
|
Low
|
| 389
|
Briggs & Stratton
|
8,596
|
277
|
C
|
High
|
| 390
|
Rankine scale
|
8,570
|
276
|
C
|
Low
|
| 391
|
Efficiency
|
8,556
|
276
|
C
|
Mid
|
| 392
|
Creep (deformation)
|
8,552
|
275
|
B
|
Low
|
| 393
|
Brayton cycle
|
8,495
|
274
|
C
|
Low
|
| 394
|
Throttle
|
8,490
|
273
|
C
|
Mid
|
| 395
|
Rover V8 engine
|
8,433
|
272
|
C
|
Low
|
| 396
|
Electronic circuit
|
8,372
|
270
|
C
|
Low
|
| 397
|
Vertical seat
|
8,356
|
269
|
Start
|
Low
|
| 398
|
Power steering
|
8,235
|
265
|
C
|
Low
|
| 399
|
Wheelbase
|
8,217
|
265
|
Start
|
Unknown
|
| 400
|
Shock absorber
|
8,192
|
264
|
C
|
Mid
|
| 401
|
Snap-on
|
8,192
|
264
|
C
|
Low
|
| 402
|
Biomimetics
|
8,181
|
263
|
C
|
High
|
| 403
|
Pareto front
|
8,151
|
262
|
Start
|
Unknown
|
| 404
|
Mercedes-Benz OM648 engine
|
8,139
|
262
|
Start
|
Low
|
| 405
|
Otto cycle
|
8,135
|
262
|
C
|
High
|
| 406
|
ASTM International
|
8,118
|
261
|
C
|
Mid
|
| 407
|
Crowbar
|
8,113
|
261
|
Start
|
Mid
|
| 408
|
Piston
|
8,064
|
260
|
C
|
High
|
| 409
|
Lateral thinking
|
8,039
|
259
|
C
|
Mid
|
| 410
|
BMW N46
|
8,013
|
258
|
Unknown
|
Unknown
|
| 411
|
Project management triangle
|
8,012
|
258
|
Start
|
Unknown
|
| 412
|
Overdrive (mechanics)
|
8,007
|
258
|
C
|
Low
|
| 413
|
Fibre-reinforced plastic
|
7,998
|
258
|
C
|
Low
|
| 414
|
Mini Moke
|
7,967
|
257
|
B
|
Low
|
| 415
|
Engine displacement
|
7,933
|
255
|
Start
|
Low
|
| 416
|
Renovation
|
7,933
|
255
|
Start
|
Unknown
|
| 417
|
Volkswagen Bora
|
7,912
|
255
|
Unknown
|
Unknown
|
| 418
|
List of IEC standards
|
7,911
|
255
|
List
|
Unknown
|
| 419
|
Ram Bilas Pachori
|
7,892
|
254
|
Start
|
Unknown
|
| 420
|
Hardness
|
7,867
|
253
|
C
|
High
|
| 421
|
Hydrogen economy
|
7,857
|
253
|
B
|
Low
|
| 422
|
Error
|
7,855
|
253
|
Start
|
High
|
| 423
|
Thermal energy storage
|
7,829
|
252
|
Start
|
Unknown
|
| 424
|
Plumb bob
|
7,821
|
252
|
Start
|
Low
|
| 425
|
Wind tunnel
|
7,803
|
251
|
B
|
Mid
|
| 426
|
Near and far field
|
7,799
|
251
|
C
|
High
|
| 427
|
Rockwell hardness test
|
7,788
|
251
|
C
|
High
|
| 428
|
Metamaterial
|
7,766
|
250
|
B
|
Low
|
| 429
|
Project
|
7,759
|
250
|
Start
|
Top
|
| 430
|
Engine knocking
|
7,749
|
249
|
C
|
Low
|
| 431
|
Product lifecycle
|
7,734
|
249
|
Start
|
Mid
|
| 432
|
SCART
|
7,729
|
249
|
Start
|
Unknown
|
| 433
|
Synthetic biology
|
7,675
|
247
|
B
|
Unknown
|
| 434
|
Spacecraft propulsion
|
7,672
|
247
|
Start
|
Unknown
|
| 435
|
Willis Carrier
|
7,665
|
247
|
C
|
Unknown
|
| 436
|
Richard Trevithick
|
7,658
|
247
|
C
|
Mid
|
| 437
|
Circular motion
|
7,642
|
246
|
C
|
Mid
|
| 438
|
BMW M20
|
7,632
|
246
|
C
|
Low
|
| 439
|
Automotive engineering
|
7,611
|
245
|
Start
|
Mid
|
| 440
|
Marine propulsion
|
7,551
|
243
|
C
|
Mid
|
| 441
|
Dry sump
|
7,549
|
243
|
C
|
Low
|
| 442
|
Power-to-weight ratio
|
7,547
|
243
|
Start
|
Mid
|
| 443
|
Pneumatics
|
7,540
|
243
|
C
|
Mid
|
| 444
|
Run-flat tire
|
7,533
|
243
|
C
|
Low
|
| 445
|
Suitcase nuclear device
|
7,519
|
242
|
Start
|
Low
|
| 446
|
Breakwater (structure)
|
7,494
|
241
|
Start
|
High
|
| 447
|
Volvo Redblock engine
|
7,469
|
240
|
Start
|
Low
|
| 448
|
Linear motor
|
7,468
|
240
|
Start
|
High
|
| 449
|
Drilling rig
|
7,467
|
240
|
Start
|
Mid
|
| 450
|
Engineering drawing
|
7,461
|
240
|
C
|
Low
|
| 451
|
History of water supply and sanitation
|
7,452
|
240
|
B
|
Low
|
| 452
|
Flange
|
7,437
|
239
|
Unknown
|
Unknown
|
| 453
|
Electromechanics
|
7,430
|
239
|
Start
|
High
|
| 454
|
Huygens–Fresnel principle
|
7,420
|
239
|
C
|
Low
|
| 455
|
Diesel–electric powertrain
|
7,419
|
239
|
Start
|
Unknown
|
| 456
|
Ayao Komatsu
|
7,398
|
238
|
Start
|
Low
|
| 457
|
BMW S68
|
7,394
|
238
|
Start
|
Low
|
| 458
|
Heat recovery ventilation
|
7,382
|
238
|
C
|
Low
|
| 459
|
Synergy
|
7,373
|
237
|
C
|
High
|
| 460
|
O-ring
|
7,365
|
237
|
C
|
Mid
|
| 461
|
Nail (fastener)
|
7,356
|
237
|
C
|
Low
|
| 462
|
ST Engineering
|
7,347
|
237
|
Start
|
Low
|
| 463
|
Watercraft
|
7,310
|
235
|
Start
|
High
|
| 464
|
Fused filament fabrication
|
7,289
|
235
|
C
|
Unknown
|
| 465
|
Polaris Slingshot
|
7,274
|
234
|
C
|
Low
|
| 466
|
X band
|
7,250
|
233
|
C
|
Mid
|
| 467
|
Hofstadter's law
|
7,238
|
233
|
Start
|
Mid
|
| 468
|
Offshore drilling
|
7,210
|
232
|
C
|
Mid
|
| 469
|
Naval architecture
|
7,208
|
232
|
C
|
Mid
|
| 470
|
Toyota K CVT transmission
|
7,204
|
232
|
Unknown
|
Unknown
|
| 471
|
Constant-velocity joint
|
7,187
|
231
|
C
|
Low
|
| 472
|
Toyota M engine
|
7,176
|
231
|
List
|
Low
|
| 473
|
Acura Integra (2022)
|
7,174
|
231
|
Unknown
|
Unknown
|
| 474
|
Mechanical ventilation
|
7,161
|
231
|
B
|
Low
|
| 475
|
Sequential manual transmission
|
7,150
|
230
|
C
|
Low
|
| 476
|
Pinglu Canal
|
7,121
|
229
|
Unknown
|
Unknown
|
| 477
|
Six Thinking Hats
|
7,106
|
229
|
C
|
Mid
|
| 478
|
Lexus LBX
|
7,103
|
229
|
Unknown
|
Unknown
|
| 479
|
Manhole cover
|
7,092
|
228
|
C
|
Low
|
| 480
|
Pro forma
|
7,083
|
228
|
Start
|
Mid
|
| 481
|
Anthony Levandowski
|
7,060
|
227
|
Stub
|
Low
|
| 482
|
Monkey wrench
|
7,031
|
226
|
Start
|
Low
|
| 483
|
Geometric dimensioning and tolerancing
|
7,029
|
226
|
Unknown
|
Unknown
|
| 484
|
Electrostatic discharge
|
6,996
|
225
|
Start
|
Unknown
|
| 485
|
SAE International
|
6,992
|
225
|
C
|
Unknown
|
| 486
|
BMW M12
|
6,985
|
225
|
C
|
Low
|
| 487
|
Fellow of the Royal Academy of Engineering
|
6,977
|
225
|
Stub
|
Low
|
| 488
|
Stopwatch
|
6,974
|
224
|
Start
|
Unknown
|
| 489
|
Axial compressor
|
6,961
|
224
|
B
|
Mid
|
| 490
|
Pressure vessel
|
6,950
|
224
|
C
|
Mid
|
| 491
|
Control engineering
|
6,948
|
224
|
Start
|
Top
|
| 492
|
International Standard Atmosphere
|
6,910
|
222
|
C
|
Mid
|
| 493
|
BMW 2 Series (G42)
|
6,891
|
222
|
C
|
Low
|
| 494
|
Piping and plumbing fitting
|
6,868
|
221
|
C
|
Mid
|
| 495
|
Albert Mehrabian
|
6,865
|
221
|
C
|
Low
|
| 496
|
Mercedes-Benz M119 engine
|
6,862
|
221
|
C
|
Low
|
| 497
|
Cost–benefit analysis
|
6,848
|
220
|
B
|
High
|
| 498
|
Daisy chain (electrical engineering)
|
6,845
|
220
|
Start
|
Low
|
| 499
|
Spring (device)
|
6,836
|
220
|
Start
|
High
|
| 500
|
Megastructure
|
6,829
|
220
|
Start
|
Unknown
|
| 501
|
Bloodhound LSR
|
6,802
|
219
|
C
|
Low
|
| 502
|
Tarmacadam
|
6,782
|
218
|
Start
|
Mid
|
| 503
|
Screw thread
|
6,721
|
216
|
C
|
High
|
| 504
|
Statistical process control
|
6,710
|
216
|
C
|
Unknown
|
| 505
|
Cam (mechanism)
|
6,702
|
216
|
C
|
High
|
| 506
|
RTFM
|
6,702
|
216
|
Start
|
Low
|
| 507
|
Gigafactory Nevada
|
6,633
|
213
|
C
|
Low
|
| 508
|
Standing wave ratio
|
6,631
|
213
|
C
|
High
|
| 509
|
Construction of the World Trade Center
|
6,619
|
213
|
FA
|
Mid
|
| 510
|
Vulnerability
|
6,616
|
213
|
C
|
Mid
|
| 511
|
BMW N74
|
6,613
|
213
|
Start
|
Low
|
| 512
|
Gasket
|
6,608
|
213
|
C
|
Low
|
| 513
|
SAE steel grades
|
6,587
|
212
|
List
|
Low
|
| 514
|
Engine configuration
|
6,570
|
211
|
C
|
High
|
| 515
|
Brake fluid
|
6,565
|
211
|
C
|
Mid
|
| 516
|
Kenneth Nichols
|
6,555
|
211
|
GA
|
Mid
|
| 517
|
Volkswagen Group W-12 engine
|
6,552
|
211
|
C
|
Low
|
| 518
|
Platform screen doors
|
6,529
|
210
|
C
|
Unknown
|
| 519
|
Glitter
|
6,528
|
210
|
C
|
Mid
|
| 520
|
Werner von Siemens
|
6,519
|
210
|
C
|
Unknown
|
| 521
|
Absorption refrigerator
|
6,511
|
210
|
C
|
Low
|
| 522
|
Biochemical oxygen demand
|
6,502
|
209
|
C
|
Mid
|
| 523
|
Plain bearing
|
6,490
|
209
|
C
|
Mid
|
| 524
|
State of the art
|
6,472
|
208
|
Start
|
High
|
| 525
|
Avro Canada VZ-9 Avrocar
|
6,464
|
208
|
C
|
Low
|
| 526
|
Caterpillar D11
|
6,443
|
207
|
Start
|
Low
|
| 527
|
V engine
|
6,433
|
207
|
Start
|
Mid
|
| 528
|
Failure
|
6,407
|
206
|
Start
|
Top
|
| 529
|
Double-clutching (technique)
|
6,378
|
205
|
C
|
Low
|
| 530
|
Parsons Corporation
|
6,373
|
205
|
Start
|
Low
|
| 531
|
History of the petroleum industry
|
6,358
|
205
|
C
|
Low
|
| 532
|
Fault tree analysis
|
6,343
|
204
|
C
|
Mid
|
| 533
|
Fatberg
|
6,336
|
204
|
Start
|
Low
|
| 534
|
BMW M43
|
6,333
|
204
|
Unknown
|
Unknown
|
| 535
|
Shape-memory alloy
|
6,293
|
203
|
C
|
Unknown
|
| 536
|
Brainstorming
|
6,282
|
202
|
Start
|
High
|
| 537
|
Refractory
|
6,273
|
202
|
B
|
Low
|
| 538
|
Hermetic seal
|
6,272
|
202
|
Start
|
Unknown
|
| 539
|
W16 engine
|
6,249
|
201
|
Start
|
Mid
|
| 540
|
Loop antenna
|
6,232
|
201
|
C
|
Low
|
| 541
|
Aerospike engine
|
6,227
|
200
|
C
|
Mid
|
| 542
|
Concept map
|
6,213
|
200
|
C
|
Mid
|
| 543
|
Synthetic oil
|
6,200
|
200
|
Start
|
Mid
|
| 544
|
Straight-eight engine
|
6,197
|
199
|
Unknown
|
Unknown
|
| 545
|
Master of Engineering
|
6,181
|
199
|
Start
|
High
|
| 546
|
2009–2011 Toyota vehicle recalls
|
6,180
|
199
|
C
|
Low
|
| 547
|
Fail-safe
|
6,172
|
199
|
C
|
Unknown
|
| 548
|
Grease (lubricant)
|
6,157
|
198
|
C
|
High
|
| 549
|
Textile industry
|
6,145
|
198
|
C
|
High
|
| 550
|
List of ISO standards
|
6,106
|
196
|
List
|
Low
|
| 551
|
Garlin Gilchrist
|
6,099
|
196
|
C
|
Low
|
| 552
|
Ellen Ochoa
|
6,041
|
194
|
B
|
Low
|
| 553
|
Torque wrench
|
6,039
|
194
|
C
|
High
|
| 554
|
W12 engine
|
6,035
|
194
|
Start
|
Mid
|
| 555
|
Bill of materials
|
6,029
|
194
|
Start
|
Mid
|
| 556
|
Monopole antenna
|
6,025
|
194
|
C
|
Low
|
| 557
|
Brushed DC electric motor
|
6,012
|
193
|
C
|
High
|
| 558
|
Heat pipe
|
6,000
|
193
|
C
|
Low
|
| 559
|
Defence in depth
|
5,985
|
193
|
Start
|
Low
|
| 560
|
Rate equation
|
5,915
|
190
|
C
|
Mid
|
| 561
|
AWTF-80 SC
|
5,914
|
190
|
Unknown
|
Unknown
|
| 562
|
Regulation and licensure in engineering
|
5,905
|
190
|
C
|
High
|
| 563
|
National Grid (Great Britain)
|
5,891
|
190
|
C
|
Unknown
|
| 564
|
Front-wheel drive
|
5,890
|
190
|
B
|
Low
|
| 565
|
Sea Baby
|
5,886
|
189
|
Start
|
Unknown
|
| 566
|
Water speed record
|
5,860
|
189
|
C
|
Mid
|
| 567
|
Mechanical advantage
|
5,855
|
188
|
C
|
Mid
|
| 568
|
Parabolic antenna
|
5,852
|
188
|
B
|
Low
|
| 569
|
Megaproject
|
5,842
|
188
|
Start
|
Mid
|
| 570
|
Aircraft flight dynamics
|
5,837
|
188
|
Start
|
Mid
|
| 571
|
Nondestructive testing
|
5,827
|
187
|
C
|
Low
|
| 572
|
Universal joint
|
5,815
|
187
|
Unknown
|
Unknown
|
| 573
|
Hydrogen embrittlement
|
5,811
|
187
|
Start
|
High
|
| 574
|
Structural engineering
|
5,809
|
187
|
B
|
Top
|
| 575
|
MAP sensor
|
5,807
|
187
|
Start
|
Low
|
| 576
|
ISO 26262
|
5,801
|
187
|
Start
|
Low
|
| 577
|
Conveyor belt
|
5,799
|
187
|
C
|
High
|
| 578
|
List of British innovations and discoveries
|
5,795
|
186
|
List
|
Low
|
| 579
|
Hydramatic
|
5,783
|
186
|
C
|
Unknown
|
| 580
|
Neutron moderator
|
5,780
|
186
|
C
|
Low
|
| 581
|
Ilmor
|
5,778
|
186
|
C
|
Low
|
| 582
|
ZF 9HP transmission
|
5,778
|
186
|
Unknown
|
Unknown
|
| 583
|
BMW N43
|
5,774
|
186
|
Unknown
|
Unknown
|
| 584
|
Turnkey
|
5,769
|
186
|
Start
|
Mid
|
| 585
|
Water heating
|
5,752
|
185
|
C
|
Mid
|
| 586
|
Thread seal tape
|
5,735
|
185
|
C
|
Mid
|
| 587
|
Rob Marshall (motorsport)
|
5,730
|
184
|
C
|
Low
|
| 588
|
Embarrassingly parallel
|
5,723
|
184
|
Start
|
Low
|
| 589
|
Pile driver
|
5,712
|
184
|
Start
|
Mid
|
| 590
|
Pressurized heavy-water reactor
|
5,709
|
184
|
C
|
Low
|
| 591
|
Jackhammer
|
5,703
|
183
|
C
|
Mid
|
| 592
|
Mohr's circle
|
5,686
|
183
|
B
|
Mid
|
| 593
|
Clinker (boat building)
|
5,683
|
183
|
C
|
Low
|
| 594
|
Fast-neutron reactor
|
5,676
|
183
|
C
|
Low
|
| 595
|
Brinell hardness test
|
5,613
|
181
|
Start
|
Mid
|
| 596
|
Nose cone design
|
5,605
|
180
|
Start
|
Mid
|
| 597
|
Ciudad Juárez cobalt-60 contamination incident
|
5,598
|
180
|
C
|
Low
|
| 598
|
Multistage rocket
|
5,594
|
180
|
Start
|
High
|
| 599
|
Reliability engineering
|
5,589
|
180
|
C
|
Unknown
|
| 600
|
Locking differential
|
5,571
|
179
|
Start
|
Mid
|
| 601
|
The Design of Everyday Things
|
5,561
|
179
|
Start
|
Low
|
| 602
|
Composite armour
|
5,558
|
179
|
Start
|
Low
|
| 603
|
Jet d'Eau
|
5,550
|
179
|
Start
|
Low
|
| 604
|
Drivetrain
|
5,550
|
179
|
Start
|
Low
|
| 605
|
Linear induction motor
|
5,547
|
178
|
C
|
Low
|
| 606
|
Scale model
|
5,544
|
178
|
C
|
Mid
|
| 607
|
Engineering design process
|
5,517
|
177
|
Start
|
High
|
| 608
|
Chiller
|
5,514
|
177
|
C
|
Low
|
| 609
|
Sputtering
|
5,492
|
177
|
Start
|
Low
|
| 610
|
Sinclair C5
|
5,485
|
176
|
GA
|
Mid
|
| 611
|
Morris Oxford Series III
|
5,478
|
176
|
Unknown
|
Unknown
|
| 612
|
Nissan TD engine
|
5,478
|
176
|
Start
|
Unknown
|
| 613
|
Bank vault
|
5,470
|
176
|
B
|
Unknown
|
| 614
|
Unitree Robotics
|
5,462
|
176
|
Start
|
Unknown
|
| 615
|
Quality control
|
5,459
|
176
|
C
|
High
|
| 616
|
Machining
|
5,427
|
175
|
Start
|
High
|
| 617
|
Computational neuroscience
|
5,423
|
174
|
B
|
Low
|
| 618
|
Servomechanism
|
5,417
|
174
|
C
|
Unknown
|
| 619
|
White Rabbit Project (TV series)
|
5,416
|
174
|
Start
|
Low
|
| 620
|
Austenitic stainless steel
|
5,398
|
174
|
C
|
Low
|
| 621
|
Pliers
|
5,397
|
174
|
C
|
Mid
|
| 622
|
Worm drive
|
5,389
|
173
|
C
|
Mid
|
| 623
|
Crankshaft position sensor
|
5,370
|
173
|
Start
|
Low
|
| 624
|
Nut (hardware)
|
5,365
|
173
|
C
|
High
|
| 625
|
Order of the Engineer
|
5,362
|
172
|
Start
|
Mid
|
| 626
|
Toyota Aurion
|
5,354
|
172
|
Unknown
|
Unknown
|
| 627
|
Washer (hardware)
|
5,341
|
172
|
C
|
Mid
|
| 628
|
Lime mortar
|
5,337
|
172
|
C
|
Low
|
| 629
|
Marine engineering
|
5,336
|
172
|
Start
|
Top
|
| 630
|
Marine steam engine
|
5,327
|
171
|
B
|
High
|
| 631
|
ARINC 429
|
5,319
|
171
|
Start
|
Unknown
|
| 632
|
Tissue engineering
|
5,316
|
171
|
B
|
High
|
| 633
|
Stator
|
5,306
|
171
|
Start
|
Low
|
| 634
|
Relief valve
|
5,304
|
171
|
C
|
Low
|
| 635
|
Ontario Fault Determination Rules
|
5,292
|
170
|
Unknown
|
Unknown
|
| 636
|
Motorcycle land-speed record
|
5,287
|
170
|
C
|
Unknown
|
| 637
|
Light-water reactor
|
5,278
|
170
|
C
|
Low
|
| 638
|
Direct Stream Digital
|
5,271
|
170
|
C
|
Unknown
|
| 639
|
Mechanism (engineering)
|
5,264
|
169
|
C
|
Top
|
| 640
|
Boosted fission weapon
|
5,261
|
169
|
C
|
Low
|
| 641
|
Centrifugal pump
|
5,254
|
169
|
C
|
Mid
|
| 642
|
Cylinder head
|
5,251
|
169
|
Start
|
Mid
|
| 643
|
Fastener
|
5,250
|
169
|
Start
|
High
|
| 644
|
Calibration
|
5,229
|
168
|
Start
|
Mid
|
| 645
|
Ventilation (architecture)
|
5,216
|
168
|
Start
|
Low
|
| 646
|
Leonardo's fighting vehicle
|
5,210
|
168
|
Start
|
Low
|
| 647
|
Reliance Infrastructure
|
5,188
|
167
|
Start
|
Low
|
| 648
|
Peristaltic pump
|
5,187
|
167
|
Start
|
Low
|
| 649
|
Variable cycle engine
|
5,183
|
167
|
C
|
Low
|
| 650
|
Ferrari Dino engine
|
5,174
|
166
|
C
|
Low
|
| 651
|
Freewheel
|
5,164
|
166
|
C
|
High
|
| 652
|
David Brown (entrepreneur)
|
5,160
|
166
|
C
|
Low
|
| 653
|
Sputter deposition
|
5,102
|
164
|
C
|
Unknown
|
| 654
|
Metacentric height
|
5,088
|
164
|
C
|
Mid
|
| 655
|
Texas Central Railway
|
5,087
|
164
|
Stub
|
Mid
|
| 656
|
FR-4
|
5,083
|
163
|
Start
|
Low
|
| 657
|
Instrumentation
|
5,069
|
163
|
C
|
Mid
|
| 658
|
Forthing
|
5,064
|
163
|
Unknown
|
Unknown
|
| 659
|
Speed tape
|
5,060
|
163
|
Start
|
Mid
|
| 660
|
Impact driver
|
5,039
|
162
|
Stub
|
Low
|
| 661
|
New York University Tandon School of Engineering
|
5,018
|
161
|
C
|
Low
|
| 662
|
Scope creep
|
5,018
|
161
|
Start
|
High
|
| 663
|
Environmental engineering
|
5,009
|
161
|
C
|
Top
|
| 664
|
Total quality management
|
5,007
|
161
|
C
|
Mid
|
| 665
|
Fracture
|
5,006
|
161
|
C
|
Mid
|
| 666
|
Automotive Safety Integrity Level
|
5,003
|
161
|
B
|
Low
|
| 667
|
Torricelli's law
|
4,989
|
160
|
Start
|
Unknown
|
| 668
|
Factor of safety
|
4,976
|
160
|
C
|
Mid
|
| 669
|
Thinking outside the box
|
4,976
|
160
|
Start
|
High
|
| 670
|
Flat-plane crank
|
4,971
|
160
|
Start
|
Low
|
| 671
|
Shield AI
|
4,969
|
160
|
Start
|
Unknown
|
| 672
|
Charpy impact test
|
4,963
|
160
|
Start
|
Low
|
| 673
|
Angle of list
|
4,958
|
159
|
Stub
|
Unknown
|
| 674
|
Variable-geometry turbocharger
|
4,946
|
159
|
C
|
Low
|
| 675
|
W engine
|
4,928
|
158
|
C
|
Mid
|
| 676
|
Motorized bicycle
|
4,921
|
158
|
C
|
Mid
|
| 677
|
Allotropes of iron
|
4,921
|
158
|
C
|
Low
|
| 678
|
Holden straight-six motor
|
4,919
|
158
|
Unknown
|
Unknown
|
| 679
|
Oberth effect
|
4,914
|
158
|
C
|
Low
|
| 680
|
Dirichlet boundary condition
|
4,910
|
158
|
Stub
|
Unknown
|
| 681
|
Renault 4 E-Tech
|
4,866
|
156
|
Unknown
|
Unknown
|
| 682
|
Single point of failure
|
4,863
|
156
|
C
|
Low
|
| 683
|
Risk assessment
|
4,861
|
156
|
C
|
Mid
|
| 684
|
Dynamic positioning
|
4,859
|
156
|
B
|
Unknown
|
| 685
|
Robert Kearns
|
4,853
|
156
|
C
|
Unknown
|
| 686
|
Superstructure
|
4,836
|
156
|
Start
|
Mid
|
| 687
|
Continual improvement process
|
4,828
|
155
|
Start
|
High
|
| 688
|
Cupra Terramar
|
4,823
|
155
|
Unknown
|
Unknown
|
| 689
|
Jaguar AJ-V6 engine
|
4,812
|
155
|
Start
|
Low
|
| 690
|
Austenite
|
4,789
|
154
|
C
|
Low
|
| 691
|
Acceptance testing
|
4,781
|
154
|
Start
|
Mid
|
| 692
|
Usability
|
4,779
|
154
|
C
|
Mid
|
| 693
|
Automatic transmission fluid
|
4,777
|
154
|
C
|
Low
|
| 694
|
Sanitary sewer
|
4,771
|
153
|
C
|
High
|
| 695
|
Alderson disk
|
4,768
|
153
|
C
|
Low
|
| 696
|
Ignition magneto
|
4,759
|
153
|
C
|
Low
|
| 697
|
Manifold injection
|
4,758
|
153
|
B
|
Mid
|
| 698
|
Mazda K engine
|
4,755
|
153
|
Start
|
Low
|
| 699
|
Kilogram-force
|
4,749
|
153
|
C
|
Low
|
| 700
|
Hydraulic fluid
|
4,744
|
153
|
C
|
Mid
|
| 701
|
Six degrees of freedom
|
4,737
|
152
|
Start
|
Low
|
| 702
|
Pipe (fluid conveyance)
|
4,736
|
152
|
C
|
Mid
|
| 703
|
Bolt (fastener)
|
4,733
|
152
|
Start
|
High
|
| 704
|
Toughness
|
4,727
|
152
|
C
|
Mid
|
| 705
|
Perdido (oil platform)
|
4,725
|
152
|
Stub
|
Unknown
|
| 706
|
Automotive air conditioning
|
4,720
|
152
|
C
|
High
|
| 707
|
American Society of Mechanical Engineers
|
4,718
|
152
|
B
|
Mid
|
| 708
|
Active suspension
|
4,717
|
152
|
Unknown
|
Unknown
|
| 709
|
List of system quality attributes
|
4,695
|
151
|
List
|
Low
|
| 710
|
Socket wrench
|
4,693
|
151
|
C
|
Mid
|
| 711
|
Computational science
|
4,692
|
151
|
C
|
High
|
| 712
|
Compound steam engine
|
4,684
|
151
|
C
|
High
|
| 713
|
Zippe-type centrifuge
|
4,683
|
151
|
Unknown
|
Unknown
|
| 714
|
Doctor of Engineering
|
4,678
|
150
|
Start
|
High
|
| 715
|
Moose test
|
4,677
|
150
|
C
|
Low
|
| 716
|
BMW S38
|
4,676
|
150
|
Unknown
|
Unknown
|
| 717
|
Lazare Carnot
|
4,650
|
150
|
C
|
Mid
|
| 718
|
Fan coil unit
|
4,645
|
149
|
Unknown
|
Unknown
|
| 719
|
Mecanum wheel
|
4,641
|
149
|
Start
|
Low
|
| 720
|
Single-stage-to-orbit
|
4,640
|
149
|
C
|
Low
|
| 721
|
Seven basic tools of quality
|
4,640
|
149
|
Start
|
Mid
|
| 722
|
Powder metallurgy
|
4,619
|
149
|
C
|
High
|
| 723
|
Magnetic confinement fusion
|
4,610
|
148
|
Start
|
Low
|
| 724
|
Reciprocating saw
|
4,608
|
148
|
Unknown
|
Unknown
|
| 725
|
BA Euroflyer
|
4,599
|
148
|
Unknown
|
Unknown
|
| 726
|
Tadelakt
|
4,598
|
148
|
C
|
Low
|
| 727
|
Acura RLX
|
4,597
|
148
|
C
|
Low
|
| 728
|
Lotus Emeya
|
4,595
|
148
|
Stub
|
Unknown
|
| 729
|
Nuclear engineering
|
4,591
|
148
|
C
|
Top
|
| 730
|
Eight disciplines problem solving
|
4,586
|
147
|
Start
|
Mid
|
| 731
|
Desmodromic valve
|
4,583
|
147
|
C
|
Low
|
| 732
|
Quality management
|
4,577
|
147
|
C
|
Low
|
| 733
|
Product design
|
4,573
|
147
|
Start
|
High
|
| 734
|
Grommet
|
4,556
|
146
|
Unknown
|
Unknown
|
| 735
|
Manufacturing engineering
|
4,551
|
146
|
C
|
Top
|
| 736
|
Mass-spring-damper model
|
4,548
|
146
|
Stub
|
Low
|
| 737
|
Best practice
|
4,533
|
146
|
C
|
Mid
|
| 738
|
Street name
|
4,526
|
146
|
C
|
Low
|
| 739
|
Clean-room design
|
4,524
|
145
|
Start
|
Unknown
|
| 740
|
Engineering physics
|
4,522
|
145
|
Start
|
Mid
|
| 741
|
Central heating
|
4,509
|
145
|
B
|
High
|
| 742
|
Galling
|
4,505
|
145
|
Unknown
|
Unknown
|
| 743
|
List of Japanese inventions and discoveries
|
4,499
|
145
|
List
|
Low
|
| 744
|
Gradian
|
4,489
|
144
|
Start
|
Unknown
|
| 745
|
Transverse engine
|
4,477
|
144
|
C
|
Low
|
| 746
|
Linkage (mechanical)
|
4,457
|
143
|
C
|
High
|
| 747
|
VANOS
|
4,451
|
143
|
Start
|
Low
|
| 748
|
Powertrain layout
|
4,443
|
143
|
C
|
Low
|
| 749
|
Requirement
|
4,439
|
143
|
Start
|
High
|
| 750
|
Straight engine
|
4,435
|
143
|
Start
|
High
|
| 751
|
Centrifugal fan
|
4,429
|
142
|
C
|
Mid
|
| 752
|
Johann Bessler
|
4,419
|
142
|
Start
|
Low
|
| 753
|
Water cooling
|
4,417
|
142
|
C
|
High
|
| 754
|
Ford 6R transmission
|
4,417
|
142
|
Unknown
|
Unknown
|
| 755
|
Hempcrete
|
4,413
|
142
|
C
|
Low
|
| 756
|
Mining engineering
|
4,400
|
141
|
Start
|
Top
|
| 757
|
Evanescent field
|
4,397
|
141
|
Start
|
Mid
|
| 758
|
Raising of Chicago
|
4,392
|
141
|
C
|
Low
|
| 759
|
Beam axle
|
4,377
|
141
|
Start
|
Mid
|
| 760
|
Velomobile
|
4,375
|
141
|
C
|
Unknown
|
| 761
|
Disagreements on the intensity of tornadoes
|
4,373
|
141
|
B
|
Low
|
| 762
|
ISO/IEC 7810
|
4,358
|
140
|
Start
|
Low
|
| 763
|
Cycloidal drive
|
4,332
|
139
|
Stub
|
Low
|
| 764
|
Mechanical computer
|
4,320
|
139
|
Start
|
Low
|
| 765
|
Multi-link suspension
|
4,307
|
138
|
C
|
Low
|
| 766
|
Reluctance motor
|
4,301
|
138
|
Stub
|
Mid
|
| 767
|
Fraunhofer Society
|
4,295
|
138
|
C
|
High
|
| 768
|
Interchangeable parts
|
4,293
|
138
|
C
|
High
|
| 769
|
Turbine blade
|
4,293
|
138
|
C
|
High
|
| 770
|
Financial engineering
|
4,286
|
138
|
Start
|
Mid
|
| 771
|
List of quantum logic gates
|
4,276
|
137
|
Start
|
Unknown
|
| 772
|
Orbital decay
|
4,271
|
137
|
Start
|
High
|
| 773
|
Time-domain reflectometer
|
4,264
|
137
|
Start
|
Mid
|
| 774
|
Cyclonic separation
|
4,257
|
137
|
C
|
Mid
|
| 775
|
Architectural engineering
|
4,250
|
137
|
Start
|
Top
|
| 776
|
Coupling
|
4,249
|
137
|
C
|
Mid
|
| 777
|
HOK (firm)
|
4,246
|
136
|
C
|
Low
|
| 778
|
China Railway CR450AF
|
4,236
|
136
|
Start
|
Unknown
|
| 779
|
Septic drain field
|
4,220
|
136
|
C
|
Mid
|
| 780
|
Thin Man (nuclear bomb)
|
4,214
|
135
|
GA
|
Low
|
| 781
|
Wastegate
|
4,213
|
135
|
C
|
Low
|
| 782
|
Telecommunications engineering
|
4,212
|
135
|
C
|
High
|
| 783
|
Dropped ceiling
|
4,211
|
135
|
C
|
Low
|
| 784
|
Crossplane
|
4,206
|
135
|
C
|
Low
|
| 785
|
Skanska
|
4,204
|
135
|
C
|
Mid
|
| 786
|
Horseshoe Curve (Pennsylvania)
|
4,197
|
135
|
FA
|
Mid
|
| 787
|
Dielectric strength
|
4,196
|
135
|
C
|
Low
|
| 788
|
Crank (mechanism)
|
4,195
|
135
|
B
|
High
|
| 789
|
BMW N42
|
4,179
|
134
|
Unknown
|
Unknown
|
| 790
|
Directional antenna
|
4,175
|
134
|
Start
|
Low
|
| 791
|
Andy Cowell
|
4,175
|
134
|
Start
|
Low
|
| 792
|
Project manager
|
4,174
|
134
|
Start
|
Unknown
|
| 793
|
Risk matrix
|
4,174
|
134
|
Start
|
Mid
|
| 794
|
Human power
|
4,148
|
133
|
C
|
Mid
|
| 795
|
Masahiro Hara
|
4,148
|
133
|
Start
|
Unknown
|
| 796
|
List of largest machines
|
4,146
|
133
|
List
|
Unknown
|
| 797
|
Backlash (engineering)
|
4,143
|
133
|
Start
|
Low
|
| 798
|
Technology transfer
|
4,140
|
133
|
Start
|
High
|
| 799
|
Structural engineer
|
4,134
|
133
|
Start
|
High
|
| 800
|
Engineering education
|
4,134
|
133
|
Start
|
Top
|
| 801
|
SAP NetWeaver
|
4,127
|
133
|
Start
|
Mid
|
| 802
|
ISO 31000
|
4,125
|
133
|
Start
|
Mid
|
| 803
|
Drinking fountain
|
4,123
|
133
|
Start
|
Unknown
|
| 804
|
Economic order quantity
|
4,116
|
132
|
Start
|
Unknown
|
| 805
|
Singapore Airlines Flights 23 and 24
|
4,116
|
132
|
Unknown
|
Unknown
|
| 806
|
Flagstone
|
4,108
|
132
|
Start
|
Unknown
|
| 807
|
Honda Fit Shuttle
|
4,108
|
132
|
Unknown
|
Unknown
|
| 808
|
Benchmarking
|
4,103
|
132
|
Start
|
Mid
|
| 809
|
Frances Haugen
|
4,096
|
132
|
C
|
Low
|
| 810
|
Corrugated galvanised iron
|
4,095
|
132
|
C
|
Low
|
| 811
|
Direct-quadrature-zero transformation
|
4,092
|
132
|
Start
|
Unknown
|
| 812
|
Wire gauge
|
4,090
|
131
|
Start
|
Low
|
| 813
|
Jet propulsion
|
4,087
|
131
|
Start
|
High
|
| 814
|
Sony α7 IV
|
4,083
|
131
|
Unknown
|
Unknown
|
| 815
|
Porsche V8 engine
|
4,082
|
131
|
Start
|
Low
|
| 816
|
Duct (flow)
|
4,077
|
131
|
C
|
Unknown
|
| 817
|
Carillion
|
4,076
|
131
|
C
|
Low
|
| 818
|
Metallurgy in pre-Columbian America
|
4,075
|
131
|
C
|
Mid
|
| 819
|
Ancient Roman engineering
|
4,067
|
131
|
C
|
Mid
|
| 820
|
Ignition timing
|
4,059
|
130
|
Start
|
Low
|
| 821
|
Vortex tube
|
4,057
|
130
|
C
|
Unknown
|
| 822
|
Four-bar linkage
|
4,053
|
130
|
C
|
Mid
|
| 823
|
Internal combustion engine cooling
|
4,044
|
130
|
C
|
Low
|
| 824
|
Mini Aceman
|
4,036
|
130
|
Start
|
Low
|
| 825
|
BMW M44
|
4,034
|
130
|
Unknown
|
Unknown
|
| 826
|
Air Astana Flight 1388
|
4,034
|
130
|
Unknown
|
Unknown
|
| 827
|
Orangeburg pipe
|
4,033
|
130
|
Start
|
Low
|
| 828
|
Furnace (central heating)
|
4,030
|
130
|
Start
|
High
|
| 829
|
Feature creep
|
4,028
|
129
|
C
|
Low
|
| 830
|
Lillian Moller Gilbreth
|
4,018
|
129
|
B
|
Mid
|
| 831
|
Log-periodic antenna
|
4,018
|
129
|
Start
|
Low
|
| 832
|
Evaporator
|
4,016
|
129
|
C
|
Low
|
| 833
|
Longeron
|
4,013
|
129
|
Start
|
Low
|
| 834
|
MultiAir
|
4,011
|
129
|
C
|
Low
|
| 835
|
Brittleness
|
4,000
|
129
|
Start
|
Low
|
| 836
|
Test automation
|
3,995
|
128
|
Start
|
Mid
|
| 837
|
Belt (mechanical)
|
3,993
|
128
|
C
|
High
|
| 838
|
Quantum engineering
|
3,988
|
128
|
Start
|
Low
|
| 839
|
Cylinder (engine)
|
3,985
|
128
|
Start
|
Low
|
| 840
|
Wolfsburg Volkswagen Plant
|
3,981
|
128
|
Start
|
Mid
|
| 841
|
Experimental Breeder Reactor I
|
3,979
|
128
|
C
|
Low
|
| 842
|
Fortive
|
3,977
|
128
|
Stub
|
Low
|
| 843
|
Air handler
|
3,966
|
127
|
C
|
Low
|
| 844
|
Gas-fired power plant
|
3,961
|
127
|
C
|
Low
|
| 845
|
Chicken gun
|
3,958
|
127
|
GA
|
Low
|
| 846
|
Twincharger
|
3,955
|
127
|
C
|
Low
|
| 847
|
Agricultural engineering
|
3,947
|
127
|
Start
|
Mid
|
| 848
|
Transaxle
|
3,945
|
127
|
Start
|
Low
|
| 849
|
Exhaust manifold
|
3,945
|
127
|
C
|
Low
|
| 850
|
Engine balance
|
3,934
|
126
|
C
|
Low
|
| 851
|
Four-terminal sensing
|
3,931
|
126
|
Start
|
Low
|
| 852
|
Property management
|
3,930
|
126
|
Start
|
Mid
|
| 853
|
Bayani Fernando
|
3,927
|
126
|
Start
|
Low
|
| 854
|
Stroke ratio
|
3,927
|
126
|
C
|
Low
|
| 855
|
Petroleum engineering
|
3,924
|
126
|
C
|
Top
|
| 856
|
Condenser (heat transfer)
|
3,921
|
126
|
Start
|
High
|
| 857
|
Engineer's Day
|
3,910
|
126
|
List
|
Mid
|
| 858
|
Technology adoption life cycle
|
3,906
|
126
|
Start
|
Mid
|
| 859
|
Process engineering
|
3,901
|
125
|
Start
|
High
|
| 860
|
Surrogate model
|
3,899
|
125
|
Start
|
Unknown
|
| 861
|
Tensile testing
|
3,890
|
125
|
C
|
High
|
| 862
|
Modular building
|
3,877
|
125
|
Start
|
Unknown
|
| 863
|
Stroke (engine)
|
3,873
|
124
|
Start
|
Mid
|
| 864
|
Psychrometrics
|
3,867
|
124
|
B
|
Mid
|
| 865
|
Discrete-event simulation
|
3,867
|
124
|
C
|
Low
|
| 866
|
Deep reinforcement learning
|
3,863
|
124
|
Start
|
Unknown
|
| 867
|
Longitudinal engine
|
3,859
|
124
|
Start
|
Low
|
| 868
|
Bretèche
|
3,854
|
124
|
Start
|
Unknown
|
| 869
|
Integrated electric propulsion
|
3,849
|
124
|
C
|
Low
|
| 870
|
Electrical steel
|
3,827
|
123
|
Unknown
|
Unknown
|
| 871
|
Brake-specific fuel consumption
|
3,826
|
123
|
Start
|
Low
|
| 872
|
Radiation pattern
|
3,825
|
123
|
Start
|
Low
|
| 873
|
Sławosz Uznański-Wiśniewski
|
3,825
|
123
|
Start
|
Unknown
|
| 874
|
Focused ion beam
|
3,818
|
123
|
C
|
Mid
|
| 875
|
Belleville washer
|
3,816
|
123
|
C
|
Low
|
| 876
|
Compressible flow
|
3,794
|
122
|
C
|
Low
|
| 877
|
Lights out (manufacturing)
|
3,794
|
122
|
Start
|
Low
|
| 878
|
Miller cycle
|
3,791
|
122
|
C
|
High
|
| 879
|
Indiana State Fair stage collapse
|
3,790
|
122
|
C
|
Low
|
| 880
|
Chain drive
|
3,774
|
121
|
C
|
Mid
|
| 881
|
GM 8L transmission
|
3,751
|
121
|
Unknown
|
Unknown
|
| 882
|
Flying shuttle
|
3,743
|
120
|
Start
|
High
|
| 883
|
Nicolaus Otto
|
3,741
|
120
|
C
|
High
|
| 884
|
Arthur Cotton
|
3,741
|
120
|
C
|
Unknown
|
| 885
|
AutoCAD DXF
|
3,734
|
120
|
Start
|
Low
|
| 886
|
Fifth-wheel coupling
|
3,732
|
120
|
C
|
Low
|
| 887
|
Buro Happold
|
3,730
|
120
|
B
|
Mid
|
| 888
|
Self-sealing fuel tank
|
3,726
|
120
|
C
|
Low
|
| 889
|
Behavior tree (artificial intelligence, robotics and control)
|
3,717
|
119
|
Start
|
Unknown
|
| 890
|
Blade server
|
3,713
|
119
|
Start
|
Low
|
| 891
|
Steer-by-wire
|
3,707
|
119
|
Unknown
|
Unknown
|
| 892
|
Racing slick
|
3,704
|
119
|
C
|
Low
|
| 893
|
FIRST Robotics Competition
|
3,700
|
119
|
B
|
Low
|
| 894
|
Tappet
|
3,698
|
119
|
C
|
Mid
|
| 895
|
World record
|
3,694
|
119
|
Start
|
Mid
|
| 896
|
VR5 engine
|
3,689
|
119
|
Start
|
Low
|
| 897
|
Scrubber
|
3,683
|
118
|
Start
|
Mid
|
| 898
|
Bending moment
|
3,682
|
118
|
Start
|
Low
|
| 899
|
Olin College
|
3,677
|
118
|
C
|
Mid
|
| 900
|
Sump
|
3,677
|
118
|
Disambig
|
NA
|
| 901
|
Jet Age
|
3,676
|
118
|
Start
|
Unknown
|
| 902
|
Robert Metcalfe
|
3,673
|
118
|
Start
|
Low
|
| 903
|
Electric power industry
|
3,668
|
118
|
B
|
Mid
|
| 904
|
Order of approximation
|
3,663
|
118
|
C
|
Low
|
| 905
|
Wheel tractor-scraper
|
3,658
|
118
|
Start
|
Low
|
| 906
|
Rolling-element bearing
|
3,656
|
117
|
C
|
Mid
|
| 907
|
BMW M40
|
3,654
|
117
|
Start
|
Low
|
| 908
|
BMW P60B40
|
3,650
|
117
|
Unknown
|
Unknown
|
| 909
|
Strain wave gearing
|
3,646
|
117
|
C
|
Low
|
| 910
|
Dross
|
3,636
|
117
|
Start
|
Low
|
| 911
|
Tankless water heating
|
3,636
|
117
|
C
|
Low
|
| 912
|
Horn antenna
|
3,628
|
117
|
B
|
Low
|
| 913
|
Shim (spacer)
|
3,622
|
116
|
Start
|
Mid
|
| 914
|
Engineering tolerance
|
3,618
|
116
|
C
|
High
|
| 915
|
Drilling and blasting
|
3,615
|
116
|
Start
|
Low
|
| 916
|
Time and motion study
|
3,614
|
116
|
Start
|
Mid
|
| 917
|
A36 steel
|
3,609
|
116
|
Start
|
Low
|
| 918
|
Big Blue crane collapse
|
3,607
|
116
|
Start
|
Low
|
| 919
|
Deflection (engineering)
|
3,607
|
116
|
Start
|
Mid
|
| 920
|
Engineering management
|
3,600
|
116
|
Start
|
High
|
| 921
|
Overengineering
|
3,597
|
116
|
Start
|
Mid
|
| 922
|
Conformal coating
|
3,593
|
115
|
C
|
Low
|
| 923
|
Injector
|
3,572
|
115
|
C
|
Mid
|
| 924
|
SkyRider (seat)
|
3,569
|
115
|
Start
|
Low
|
| 925
|
National Academy of Engineering
|
3,563
|
114
|
C
|
Low
|
| 926
|
Morgan 3-Wheeler
|
3,558
|
114
|
Unknown
|
Unknown
|
| 927
|
Mobile crane
|
3,555
|
114
|
Stub
|
Low
|
| 928
|
Brent Spar
|
3,553
|
114
|
C
|
Low
|
| 929
|
Computer-aided manufacturing
|
3,548
|
114
|
C
|
High
|
| 930
|
Coso artifact
|
3,528
|
113
|
Start
|
Low
|
| 931
|
Design engineer
|
3,521
|
113
|
Start
|
High
|
| 932
|
BMW S14
|
3,518
|
113
|
Unknown
|
Unknown
|
| 933
|
Giga Press
|
3,515
|
113
|
C
|
Low
|
| 934
|
Gate valve
|
3,501
|
112
|
Start
|
Mid
|
| 935
|
Reynolds transport theorem
|
3,500
|
112
|
Start
|
High
|
| 936
|
Availability
|
3,495
|
112
|
Start
|
Mid
|
| 937
|
Balance shaft
|
3,493
|
112
|
Start
|
Low
|
| 938
|
Six-stroke engine
|
3,490
|
112
|
C
|
Unknown
|
| 939
|
Iron-oxidizing bacteria
|
3,487
|
112
|
Start
|
Mid
|
| 940
|
Glossary of engineering: A–L
|
3,486
|
112
|
List
|
Top
|
| 941
|
Interlock (engineering)
|
3,485
|
112
|
Start
|
Unknown
|
| 942
|
Delamination
|
3,483
|
112
|
Start
|
Low
|
| 943
|
Balance wheel
|
3,477
|
112
|
C
|
Low
|
| 944
|
Omnidirectional antenna
|
3,472
|
112
|
Start
|
Low
|
| 945
|
Fundamentals of Engineering exam
|
3,470
|
111
|
Start
|
Low
|
| 946
|
Bushehr Nuclear Power Plant
|
3,470
|
111
|
C
|
Low
|
| 947
|
Hydraulic pump
|
3,461
|
111
|
C
|
Mid
|
| 948
|
Chromate conversion coating
|
3,453
|
111
|
B
|
Low
|
| 949
|
Nuclear power in Canada
|
3,452
|
111
|
C
|
Unknown
|
| 950
|
Water distribution system
|
3,452
|
111
|
C
|
Unknown
|
| 951
|
Loïc Serra
|
3,446
|
111
|
Start
|
Low
|
| 952
|
Hoist (device)
|
3,445
|
111
|
Start
|
High
|
| 953
|
Dirac comb
|
3,444
|
111
|
Start
|
Low
|
| 954
|
Piston ring
|
3,441
|
111
|
C
|
Low
|
| 955
|
Rolls-Royce PWR
|
3,437
|
110
|
Unknown
|
Unknown
|
| 956
|
South-pointing chariot
|
3,437
|
110
|
B
|
Unknown
|
| 957
|
Tractive effort
|
3,431
|
110
|
Start
|
Unknown
|
| 958
|
Shadoof
|
3,430
|
110
|
Start
|
Mid
|
| 959
|
Engineering disasters
|
3,422
|
110
|
C
|
Low
|
| 960
|
Superheated steam
|
3,420
|
110
|
Start
|
High
|
| 961
|
Hyperion XP-1
|
3,420
|
110
|
Unknown
|
Unknown
|
| 962
|
Cutting
|
3,417
|
110
|
Start
|
Low
|
| 963
|
Christie suspension
|
3,415
|
110
|
Start
|
Unknown
|
| 964
|
Crankcase
|
3,413
|
110
|
C
|
Low
|
| 965
|
Shear strength
|
3,407
|
109
|
Unknown
|
Unknown
|
| 966
|
Earthquake engineering
|
3,396
|
109
|
B
|
High
|
| 967
|
Throttle position sensor
|
3,389
|
109
|
Start
|
Low
|
| 968
|
Radio-frequency engineering
|
3,389
|
109
|
Start
|
Mid
|
| 969
|
Gerber format
|
3,386
|
109
|
B
|
Mid
|
| 970
|
Glued laminated timber
|
3,380
|
109
|
C
|
Low
|
| 971
|
Wide-bandgap semiconductor
|
3,376
|
108
|
Start
|
High
|
| 972
|
Tommy Flowers
|
3,374
|
108
|
Start
|
Low
|
| 973
|
Tinder
|
3,372
|
108
|
Start
|
Low
|
| 974
|
Lead time
|
3,370
|
108
|
C
|
Mid
|
| 975
|
Karl Probst
|
3,369
|
108
|
Start
|
Low
|
| 976
|
Finite-difference time-domain method
|
3,368
|
108
|
C
|
Mid
|
| 977
|
Facelift (automotive)
|
3,368
|
108
|
Start
|
Unknown
|
| 978
|
Fluid bearing
|
3,367
|
108
|
Unknown
|
Unknown
|
| 979
|
41xx steel
|
3,365
|
108
|
Start
|
Low
|
| 980
|
W8 engine
|
3,355
|
108
|
Start
|
Mid
|
| 981
|
Positive train control
|
3,352
|
108
|
C
|
Mid
|
| 982
|
Energy harvesting
|
3,351
|
108
|
B
|
Mid
|
| 983
|
Chemical reactor
|
3,349
|
108
|
Start
|
Low
|
| 984
|
Reticulitermes flavipes
|
3,349
|
108
|
C
|
Low
|
| 985
|
Potential flow
|
3,343
|
107
|
C
|
Unknown
|
| 986
|
Facility management
|
3,335
|
107
|
Start
|
Mid
|
| 987
|
Y-Δ transform
|
3,320
|
107
|
Start
|
Low
|
| 988
|
Geomatics
|
3,318
|
107
|
Start
|
Mid
|
| 989
|
Paper towel
|
3,318
|
107
|
Start
|
Low
|
| 990
|
Toyota R transmission
|
3,317
|
107
|
Unknown
|
Unknown
|
| 991
|
Operating temperature
|
3,317
|
107
|
Start
|
Low
|
| 992
|
Theo Jansen
|
3,314
|
106
|
C
|
Low
|
| 993
|
Renault Cléon-Fonte engine
|
3,302
|
106
|
Unknown
|
Unknown
|
| 994
|
Lists of nuclear reactors
|
3,301
|
106
|
List
|
Unknown
|
| 995
|
Ritual of the Calling of an Engineer
|
3,298
|
106
|
C
|
Low
|
| 996
|
HDPE pipe
|
3,294
|
106
|
C
|
Low
|
| 997
|
BMW N73
|
3,290
|
106
|
Start
|
Unknown
|
| 998
|
Redline
|
3,276
|
105
|
Start
|
Unknown
|
| 999
|
Duplex stainless steel
|
3,276
|
105
|
Start
|
Low
|
| 1000
|
Automotive SPICE
|
3,275
|
105
|
Start
|
Low
|