Engineering

2569 topics in this forum

1. When will the U.S. switch to Ethanol 1 2

   By herpguy, May 20, 2006
   • 25 replies
   • 4.1k views
   • 
   • silverslith
   • September 17, 2006

2. Math Question 1 2

   By Smokindodge, April 12, 2007
   • 25 replies
   • 3.1k views
   • 
   • Smokindodge
   • April 23, 2007

3. up up and away in a: cannon! 1 2

   By forufes, July 30, 2009
   • 25 replies
   • 3.8k views
   • 
   • InigoMontoya
   • September 4, 2009

4. asteroid may come uncomfortably close to Earth in 2036 1 2

   By nec209, October 10, 2009
   • 25 replies
   • 3.8k views
   • 
   • insane_alien
   • November 1, 2009

5. submersible craft pressure problem 1 2

   By dragonstar57, November 8, 2010
   • 25 replies
   • 4.7k views
   • 
   • Grouchy Hermit
   • February 18, 2011

6. Understanding the RSM (reluctance synchronous machine) 1 2

   By CasualKilla, March 16, 2015
   • 25 replies
   • 6.5k views
   • 
   • Enthalpy
   • August 17, 2015

7. Solar Powered Hang-Glider (idea) 1 2

   By Guest mobius1, October 3, 2004
   • 25 replies
   • 10.4k views
   • 
   • VictoryKing
   • April 24, 2020

8. Spin off concerning reliability and safety of electric vehicles. 1 2

   By studiot, December 3, 2021
   • 25 replies
   • 1.6k views
   • 
   • Ken Fabian
   • December 25, 2021

9. SAILING TO THE STARS WITH NUCLEAR 1 2

   By Gian, September 16, 2023
   • 25 replies
   • 1.4k views
   • 
   • dimreepr
   • October 5, 2023

10. Paper raft

    By psi20, November 8, 2004
    • 24 replies
    • 6.2k views
    • 
    • Auk
    • December 15, 2004

11. pulse detonation engines

    By flyboy, July 19, 2005
    • 24 replies
    • 3.6k views
    • 
    • Mokele
    • September 12, 2005

12. Career in Biotechnology. Need help planning.

    By augment, March 20, 2006
    • 24 replies
    • 2.9k views
    • 
    • augment
    • March 24, 2006

13. How much more does heat cost compared to air conditioning?

    By GrandMasterK, April 13, 2006
    • 24 replies
    • 2.8k views
    • 
    • Prime-Evil
    • April 18, 2006

14. electric garden carts

    By Norman Albers, January 8, 2007
    • 24 replies
    • 11k views
    • 
    • Norman Albers
    • September 6, 2007

15. Technology Suppression - Patent vs Progress

    By Phi for All, February 19, 2008
    • 24 replies
    • 3.7k views
    • 
    • Phi for All
    • March 14, 2008

16. How to make an instant Water Cooler

    By Ahmed, May 20, 2008
    • 24 replies
    • 13.1k views
    • 
    • vab
    • June 10, 2008

17. Artificial Intelligence!

    By Tugrul, November 8, 2009
    • 24 replies
    • 3.5k views
    • 
    • bascule
    • November 10, 2009

18. cars

    By lemur, May 10, 2011
    • 24 replies
    • 3.8k views
    • 
    • physics confusion
    • June 11, 2011

19. The impossible machine runs faster than the wind pushing it...

    By Externet, August 9, 2010
    • 24 replies
    • 4.7k views
    • 
    • Subduction Zone
    • June 19, 2012

20. Chemical explosion electromagnetic pulse

    By FrankM, April 6, 2015
    • 24 replies
    • 5.4k views
    • 
    • greese007
    • May 26, 2015

21. How much force/energy is required to lift a 2000lb car off the ground?

    By wwwebster, February 3, 2007
    • 24 replies
    • 49.9k views
    • 
    • enapp
    • August 19, 2015

22. Publicly disclosing a new product on the internet...

    By Externet, May 21, 2018
    • 24 replies
    • 1.4k views
    • 
    • Externet
    • May 25, 2018

23. Portable Treadmill design.

    By prashantakerkar, August 13, 2018
    • 24 replies
    • 2.4k views
    • 
    • dimreepr
    • August 14, 2018

24. Are ground source heat pumps reversible, for heat storage?

    By Ken Fabian, January 5, 2019
    • 24 replies
    • 2.1k views
    • 
    • Akmose
    • March 4, 2019

25. Will MHD generators replace ICE?

    By Moreno, December 16, 2017
    • 24 replies
    • 2.7k views
    • 
    • Moreno
    • March 7, 2020