From: "Dwight K. Elvey" 
To: atm{at}shore.net
Reply-To: "Dwight K. Elvey" 


>From: "Vladimir Galogaza" 
>
>John,
>
>
>>>Photons are sure a weird idea when you think about it.  They carry
>>>momentum
>>>and energy but have no mass, and ever since General Relativity, they
>>>respond to gravity as well.
>
>Photons DO HAVE a mass indeed, so they have no problem with gravity .
>They behave as Newtons apples do.

Hi
 Not that I know of. My understanding is that Einstein's
showed that it reacts differently than would be expected by gravity. As I
recall, it was half the response but it has been a while since I've thought
about such things. Dwight

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