Replies

To: KevinDavis

Ping

2 posted on 09/10/2007 11:33:53 AM PDT by JamesP81

To: JamesP81

I googled a few articles about this, and I still don’t get it - if photons have no mass, how can they provide acceleration in a vacuum?

13 posted on 09/10/2007 11:42:08 AM PDT by chrisser

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