Engineering

2602 topics in this forum

1. Portable heat pump operation

   By arthur jackson, December 15
   • 13 replies
   • 519 views
   • 
   • arthur jackson
   • December 16

2. Pulverized leaves as fertilizer helper... 1 2

   By Externet, December 2, 2021
   • 47 replies
   • 5.5k views
   • 
   • LuckyR
   • December 9

3. REVIEW INVITATION : Awakening the Sleeping Giant: Rediscovering Archimedes' Density Method for Fingerprinting of Multicomponent Alloys 1 2 3

   By rathorebc, October 16
   • 63 replies
   • 5.8k views
   • 
   • John Cuthber
   • December 8

4. Space station trajectory data

   By paulsutton, December 8
   • 0 replies
   • 103 views
   • 
   • paulsutton
   • December 8

5. Drill bit sharpening angles...

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

6. NASA? battery from the eighties ?

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

7. Idea for an Ablative heat Shield System on Starship

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

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

   By toucana, September 17
   • 192 replies
   • 10.9k views
   • 
   • TheVat
   • October 10

9. How to turn off the smoke alarm?

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

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

    By JohnDBarrow, August 13
    • 14 replies
    • 1k views
    • 
    • LuckyR
    • September 19

11. Bulletproof Airplanes 1 2

    By Photon Guy, September 11
    • 28 replies
    • 1.6k views
    • 
    • dimreepr
    • September 19

12. My design for a Stealth suit

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

13. Lightning generator Machine Idea

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

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

    By Z.10.46, August 22
    • 37 replies
    • 1.8k views
    • 
    • studiot
    • August 27

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

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

16. Screen idea

    By Scientific_potato, May 15
    • 2 replies
    • 1k views
    • 
    • MigL
    • August 20

17. Exploding playing cards.

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

18. Steam in microwave oven ?

    By Externet, July 26
    • 20 replies
    • 1.3k views
    • 
    • npts2020
    • August 7

19. Any guessy figure for combustion chamber pressure ?

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

20. Using a container to pump water...

    By Externet, June 2
    • 18 replies
    • 1.9k views
    • 
    • Externet
    • July 15

21. Timepieces...

    By Externet, June 21
    • 9 replies
    • 1k views
    • 
    • StringJunky
    • July 15

22. Looking for hydraulic piston...

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

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

    By Externet, July 3
    • 11 replies
    • 1k views
    • 
    • iNow
    • July 6

24. smallest feasible surveillance camera

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

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

    By PeterBushMan, July 1
    • 15 replies
    • 1.2k views
    • 
    • Eise
    • July 2