To: Red Badger
"The scientists propose that this fluid might be composed of gravitons—hypothetical massless particles that mediate the force of gravity. If they exist, gravitons are thought to play a key role in . . . "
massless particles . . . if they exist
If a particle has no mass, in what sense does it "exist"? Are we talking metaphysics or physics?
To: Steve_Seattle
Photons, for example, certainly exist. Look at the glowing CFL above your head.
54 posted on
02/09/2015 12:42:03 PM PST by
steve86
(Prophecies of Maelmhaedhoc OÂ’Morgair (Latin form: Malachy))
To: Steve_Seattle
64 posted on
02/09/2015 1:27:33 PM PST by
Red Badger
(If you compromise with evil, you just get more evil..........................)
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson