1. Physics: Re: how does light travel... especially in a vacuum (like space...which apparently isnt a true vacuum), Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri Jun 15 03:13:33 2007
2. Engineering: Re: How to make home made headphones, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri May 19 06:58:45 2006
3. Physics: Re: what is the ratio of the weak force to the strong force?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Thu Feb 12 07:51:00 2009
4. Engineering: Re: What are amps in AC since electrons don't move?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Thu Jun 29 07:07:05 2006
5. Physics: Re: Why does the temperature inside the balloon decreases when popped?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Tue May 1 11:20:40 2012
6. Science History: Re: Why are kids taught that a rainbow has 7 colours?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Mon Feb 2 19:51:01 2009
7. Physics: Re: What's the relationship between the height and the amount of charge in the 'waterdrop generator'?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Sat Mar 25 12:40:45 2006
8. Physics: Re: Calculate how far the earth moves when a pair of keys are dropped?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Tue Jul 21 08:07:17 2009
9. Physics: Re: Is there a limit to how loud a group of musicians can get?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Sat Jun 11 03:56:16 2005
10. Physics: Re: Exciting electrical safety demo by Network Manager., Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Sat May 28 04:26:29 2005
11. Physics: Re: why 'G' has some specific value?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Thu Apr 21 17:09:09 2011
12. Engineering: Re: is resistance equal to reactance?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri Mar 10 07:01:02 2006
13. Physics: Re: Is it possible that gravitons are two-dimensional?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Wed Jan 4 11:59:00 2006
14. Physics: Re: why does not light disperses in glass slab?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Mon Jun 7 13:19:36 2010
15. Physics: Re: Please clarify Feynman's assertion of light behaving only as particle, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri Jul 10 11:47:32 2009
16. Physics: Re: Why on cold mornings do I see steamy exhaust from my car, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri May 11 09:32:16 2007
17. Physics: Re: What is the connection between Quantum Theory & Super-Symmetry Theory, Martin Mayer, Faculty, Astrophysics, Private Wed Aug 4 00:42:05 1999
18. Physics: Re: Does the wavelength, wavespeed or frequency change during refraction? , Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Tue Sep 28 14:03:44 2010
19. Physics: Re: Why does a VDG generator's run faster when a conducting sphere touches it?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Tue Apr 20 08:20:10 2010
20. Physics: Re: Which one will take less time to land if the air friction is proportional t, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Tue Jan 22 09:39:40 2008
21. Physics: Re: why is it easier to balance a baseball bat with the heavy end up?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Wed Oct 8 08:24:41 2008
22. Engineering: Re: Re: Is leather a non-conductor of electricity (to any degree)?, Gene L. Ewald, Sat Jul 15 17:40:27 2006
23. Physics: Re: How does gravity control the motion of vehicles and why?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Mon Jun 9 03:18:05 2008
24. Physics: Re: What type of motion would a man experience in a moving lift?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Fri Jul 30 10:49:57 2010
25. Physics: Re: How can the amount of lumens be different for bulbs with the same wattage?, Gene L. Ewald, Secondary School Teacher, Retired, Amer. Assoc. of Physics Teachers Thu Jan 24 17:17:15 2008