Encyclopedia of Science    FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Search found 2 matches Encyclopedia of Science Author Message   Topic: relativity theory - how does it go? wienertakesall Replies: 1 Views: 2625 Forum: Science Forum   Posted: Sun Jun 29, 2008 12:20 pm   Subject: relativity theory - how does it go? What is it with this paradox that light's speed is always absolute ie. 300kkm/s. Lets say that an observer travels in opposite direction then a light's beam at 1 km/s. Is then the light beam's speed r ...   Topic: x-ray through metals? Please help. wienertakesall Replies: 4 Views: 5191 Forum: Science Forum   Posted: Sun Jun 29, 2008 11:36 am   Subject: x-ray does not beam through metal As far as I know no xray beams through metal.   Page 1 of 1 All times are GMT - 6 Hours Powered by phpBB © 2001, 2005 phpBB Group