Engineering

2600 topics in this forum

1. REVIEW INVITATION : Awakening the Sleeping Giant: Rediscovering Archimedes' Density Method for Fingerprinting of Multicomponent Alloys 1 2

   By rathorebc, October 16
   • 44 replies
   • 3.3k views
   • 
   • John Cuthber
   • November 14

2. Drill bit sharpening angles...

   By Externet, October 28
   • 1 reply
   • 179 views
   • 
   • iNow
   • October 28

3. NASA? battery from the eighties ?

   By Externet, October 16
   • 5 replies
   • 353 views
   • 
   • LaurieAG
   • October 18

4. Idea for an Ablative heat Shield System on Starship

   By Kassander, October 14
   • 13 replies
   • 624 views
   • 
   • Kassander
   • October 14

5. Exploding Pagers Injure Hundreds in Lebanon 1 2 3 4 8

   By toucana, September 17
   • 192 replies
   • 9.8k views
   • 
   • TheVat
   • October 10

6. How to turn off the smoke alarm?

   By PeterBushMan, September 23
   • 12 replies
   • 580 views
   • 
   • swansont
   • September 27

7. My 21st Century Automobile Dream: Preston Tucker had his dream and Big Three shot it down.

   By JohnDBarrow, August 13
   • 14 replies
   • 864 views
   • 
   • LuckyR
   • September 19

8. Bulletproof Airplanes 1 2

   By Photon Guy, September 11
   • 28 replies
   • 1.3k views
   • 
   • dimreepr
   • September 19

9. My design for a Stealth suit

   By HawkII, August 25
   • 5 replies
   • 620 views
   • 
   • LuckyR
   • September 15

10. Lightning generator Machine Idea

    By HawkII, September 13
    • 3 replies
    • 388 views
    • 
    • swansont
    • September 13

11. Behavior of two hypothetical generators in parallel powering the same circuit? 1 2

    By Z.10.46, August 22
    • 37 replies
    • 1.6k views
    • 
    • studiot
    • August 27

12. Bayesian Probabilities ? - (The foundering of a super-yacht)

    By toucana, August 21
    • 7 replies
    • 597 views
    • 
    • toucana
    • August 23

13. Screen idea

    By Scientific_potato, May 15
    • 2 replies
    • 924 views
    • 
    • MigL
    • August 20

14. Exploding playing cards.

    By LordFayreWCairns, August 20
    • 1 reply
    • 378 views
    • 
    • swansont
    • August 20

15. Steam in microwave oven ?

    By Externet, July 26
    • 20 replies
    • 1.1k views
    • 
    • npts2020
    • August 7

16. Any guessy figure for combustion chamber pressure ?

    By Externet, July 29
    • 11 replies
    • 807 views
    • 
    • Externet
    • July 30

17. Using a container to pump water...

    By Externet, June 2
    • 18 replies
    • 1.7k views
    • 
    • Externet
    • July 15

18. Timepieces...

    By Externet, June 21
    • 9 replies
    • 875 views
    • 
    • StringJunky
    • July 15

19. Looking for hydraulic piston...

    By Externet, July 12
    • 1 reply
    • 493 views
    • 
    • studiot
    • July 12

20. A water heater; and a heat pump water heater...

    By Externet, July 3
    • 11 replies
    • 879 views
    • 
    • iNow
    • July 6

21. smallest feasible surveillance camera

    By Ivan Tuzikov, July 3
    • 0 replies
    • 467 views
    • 
    • Ivan Tuzikov
    • July 3

22. Could the airmen do anything to save the Boeing 737 Max

    By PeterBushMan, July 1
    • 15 replies
    • 1k views
    • 
    • Eise
    • July 2

23. What technology could be used to make electric automobiles much more fire-safe? 1 2

    By JohnDBarrow, June 23
    • 31 replies
    • 1.5k views
    • 
    • TheVat
    • June 29

24. Why Doesn't Tesla Plan Clothing for Its Humanoid Robot Optimus? (No Joke, It's Important!)

    By Kassander, June 28
    • 16 replies
    • 1.1k views
    • 
    • MigL
    • June 28

25. SKYDIVING THE FIRE ESCAPE

    By Gian, June 12
    • 19 replies
    • 1.2k views
    • 
    • dimreepr
    • June 17