Photon
From SgWiki
Photons are energy form sun beams existing in, of the universe which you can see as a ray of sunshines lightens your vision! What can be seen you believe it to be ..so they call it theory however nobody really know waht to do or describe some waht its funny existence, except clever scientists Stephen Hawking Einstein Newton and so on, however have they seen it with their eyes to believe its existence?hahaha?
