(AP)—Space shuttle Endeavour will spend its last flying day Friday not rocketing into space but doing what most tourists do when visiting California: Taking in the state Capitol, Golden Gate Bridge and ...

Space & Earth - Space Exploration

Sep 21, 2012 5 / 5 (1) 0

(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...

Physics - General Physics

Nov 04, 2009 4.2 / 5 (19) 1