Engineering

2569 topics in this forum

1. The Elephant in the littlest room! 1 2

   By DrP, February 14, 2017
   • 47 replies
   • 4.5k views
   • 
   • demon
   • February 21, 2017

2. Is there a way to convert the earth’s magnetic field into usable electricity? 1 2

   By DARK0717, December 27, 2018
   • 47 replies
   • 4.5k views
   • 
   • DARK0717
   • January 13, 2019

3. Traveling at the speed of light 1 2

   By TransformerRobot, May 20, 2012
   • 46 replies
   • 5.3k views
   • 
   • TransformerRobot
   • June 24, 2012

4. Would a nuclear bomb work in a vacuum? 1 2

   By Lekgolo555, March 26, 2007
   • 45 replies
   • 18.6k views
   • 
   • dragonstar57
   • September 6, 2011

5. Force from kinetic energy Calculation 1 2

   By bhaazee, January 23, 2012
   • 45 replies
   • 12.4k views
   • 
   • Klaynos
   • February 19, 2012

6. What about "Free Energy" machines? 1 2

   By dapifo, June 19, 2012
   • 45 replies
   • 6k views
   • 
   • StringJunky
   • June 24, 2012

7. Safe Nuclear Power 1 2

   By Airbrush, April 3, 2014
   • 45 replies
   • 4.3k views
   • 
   • Moontanman
   • May 6, 2014

8. Making Fusion Pay 1 2

   By mistermack, December 9, 2021
   • 45 replies
   • 2.9k views
   • 
   • Ken Fabian
   • January 4, 2022

9. Wireless communications of the future 1 2

   By Moreno, July 18, 2019
   • 44 replies
   • 60.5k views
   • 
   • Moreno
   • April 30, 2020

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

    By Externet, December 2, 2021
    • 44 replies
    • 3.4k views
    • 
    • Moontanman
    • January 18, 2022

11. Floating cities 1 2

    By Horza2002, February 17, 2011
    • 43 replies
    • 6k views
    • 
    • swansont
    • February 19, 2011

12. Cyclers To Mercury 1 2

    By Moonguy, November 16, 2013
    • 43 replies
    • 6.4k views
    • 
    • Enthalpy
    • July 23, 2014

13. Help needed: Water cooling problem 1 2

    By Ronald Lao, March 13, 2015
    • 43 replies
    • 6.3k views
    • 
    • THX-1138
    • June 18, 2015

14. Are alternative fuels pretty much done for? 1 2

    By Elite Engineer, January 29, 2016
    • 43 replies
    • 4k views
    • 
    • Moreno
    • February 26, 2016

15. I need to help my Autistic son 1 2

    By rocksolid, June 2, 2016
    • 43 replies
    • 4.3k views
    • 
    • arc
    • June 4, 2016

16. Rice and the absorbing power it holds 1 2

    By LabRat1, July 24, 2017
    • 43 replies
    • 3.7k views
    • 
    • studiot
    • July 27, 2017

17. Heating vs dehumidifying 1 2

    By StringJunky, November 30, 2023
    • 43 replies
    • 1.2k views
    • 
    • sethoflagos
    • December 3, 2023

18. How many drones would it take to stop a hurricane? 1 2

    By Myuncle, November 12, 2012
    • 42 replies
    • 4.4k views
    • 
    • John Cuthber
    • November 24, 2012

19. Coin Toss Machine 1 2

    By Phi for All, May 8, 2017
    • 42 replies
    • 12.2k views
    • 
    • Bender
    • July 20, 2017

20. Methane storage 1 2

    By Moreno, March 18, 2016
    • 42 replies
    • 149.5k views
    • 
    • John Cuthber
    • December 22, 2019

21. Automotive engine for an electric generator? 1 2

    By Pleiades, March 14, 2006
    • 41 replies
    • 10.8k views
    • 
    • visittokiran
    • April 5, 2008

22. Hydro-electric generation from river beds 1 2

    By cetus, June 5, 2009
    • 41 replies
    • 6.1k views
    • 
    • cetus
    • June 18, 2009

23. Thrust to weight ratio 1 2

    By Zolar V, December 21, 2009
    • 41 replies
    • 5.6k views
    • 
    • michel123456
    • December 27, 2009

24. Underwater Suspension Tunnels 1 2

    By Cyclonebuster, November 8, 2010
    • 41 replies
    • 5.4k views
    • 
    • Cyclonebuster
    • August 15, 2011

25. "Mining the Sky" for Earth? 1 2

    By Ben Banana, September 21, 2012
    • 41 replies
    • 5.2k views
    • 
    • Enthalpy
    • August 15, 2014