Engineering and Applied Science

350 topics in this forum

1. Modeling a trebuchet

   By chilehed, October 17, 2009
   • 1 reply
   • 2.2k views
   • 
   • Buffy
   • October 17, 2009

2. Peeling PSI from your water meter

   By plumber, October 10, 2009
   • 14 replies
   • 3.9k views
   • 
   • chilehed
   • October 17, 2009

3. A different way to use solar 1 2

   By alexander, November 12, 2008
   • 18 replies
   • 7k views
   • 
   • alexander
   • October 12, 2009

4. My sonic tooth brush

   By plumber, October 10, 2009
   • 1 reply
   • 2.2k views
   • 
   • freeztar
   • October 10, 2009

5. Over Balanced Wheel - Perpetual Motion

   By ozi-rock, January 14, 2009
   • 3 replies
   • 7.4k views
   • 
   • Sir Isaac Einstein
   • October 5, 2009

6. Nikola Tesla's black box?

   By Ganoderma, September 13, 2009
   • 4 replies
   • 3.8k views
   • 
   • modest
   • September 13, 2009

7. Cold Fusion?

   By Theory5, May 18, 2009
   • 3 replies
   • 1.9k views
   • 
   • Rade
   • August 26, 2009

8. Bleeding Brakes

   By TheBigDog, July 4, 2009
   • 10 replies
   • 3.7k views
   • 
   • darman
   • August 13, 2009

9. Lever arm length calculation

   By Gatortrapper, August 10, 2009
   • 3 replies
   • 20.7k views
   • 
   • Gatortrapper
   • August 10, 2009

10. Trolley-truck / biochar hybrid to get councils off oil?

    By Eclipse Now, August 2, 2009
    • 2 replies
    • 1.9k views
    • 
    • Eclipse Now
    • August 7, 2009

11. But Why Does It Have To Look So Ugly?

    By alexander, June 11, 2009
    • 15 replies
    • 4.3k views
    • 
    • CraigD
    • June 18, 2009

12. Lightening Bolt propulsion system

    By ryan2006, June 14, 2009
    • 1 reply
    • 1.5k views
    • 
    • belovelife
    • June 18, 2009

13. Electric car engineering issues 1 2 3

    By CraigD, February 24, 2009
    • 39 replies
    • 8.3k views
    • 
    • Roadam
    • June 16, 2009

14. Natural home cooling 1 2

    By Nitack, April 28, 2009
    • 18 replies
    • 6.7k views
    • 
    • lawcat
    • May 9, 2009

15. Gravity

    By Fitness, April 13, 2009
    • 10 replies
    • 4.5k views
    • 
    • Pyrotex
    • April 20, 2009

16. Spherical magnetic ball/electromagnetic energy

    By ryan2006, July 8, 2008
    • 4 replies
    • 2.2k views
    • 
    • GAHD
    • April 17, 2009

17. Use of CR-39 Detectors Heats up "Cold Fusion"

    By erich, November 11, 2006
    • 7 replies
    • 3.3k views
    • 
    • Rade
    • April 10, 2009

18. Let's Build a Hybrid Cycle 1 2 3

    By GAHD, November 20, 2008
    • 35 replies
    • 8.1k views
    • 
    • DFINITLYDISTRUBD
    • March 27, 2009

19. Powerful handheld lasers

    By Moontanman, February 28, 2009
    • 2 replies
    • 3.2k views
    • 
    • CraigD
    • February 28, 2009

20. Has anyone heard of

    By belovelife, January 11, 2009
    • 15 replies
    • 3.7k views
    • 
    • gregdevid
    • February 11, 2009

21. Digital Broadcast Television

    By Turtle, January 14, 2009
    • 4 replies
    • 1.6k views
    • 
    • Turtle
    • January 15, 2009

22. Gold 1 2

    By TIC, December 25, 2008
    • 24 replies
    • 4.5k views
    • 
    • TIC
    • January 7, 2009

23. 9/11 the strength of steel is controlled by magnetic properties

    By Michaelangelica, September 27, 2008
    • 2 replies
    • 2k views
    • 
    • alexander
    • January 6, 2009

24. Automobile complexity

    By Moontanman, December 15, 2008
    • 10 replies
    • 3.1k views
    • 
    • DFINITLYDISTRUBD
    • January 1, 2009

25. Log houses

    By Moontanman, December 15, 2008
    • 6 replies
    • 1.8k views
    • 
    • Moontanman
    • December 26, 2008