| Re: Some remark ( maybe crazy).
The information:
**...Einstein showed that mass and energy are equivalent:
the property called mass is simple concentrated energy.
In other words massof photon is its energy, and its energy
is its mass,**
and the distinctionis a simple ....play of words.
I took from the book
** The Universe and Dr.Einstein**
By Lincoln Barnett
With a Foreword by ALBERT EINSTEIN.
/Rart 8; page 70/. |