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Light has a certain ability for force (laser for example). A laser can manipulate its surrounding through a degree of force. Froce is speed x mass. If something can produce force (even as little as light) then it has to have a component of mass. I have no idea what relativistic speed is so I cant say anything there.
I am currently involved in research on colour vision in the periphery. On my reading I have discovered that "visual receptors can absorb and respond to as little as a single photon of light" (Kalat, 2001, p152).
Isnt what I said all along is that heat is the byproduct of the tranformation of onf one from of energy to another form of energy? It appears that you just argued my original case for me. Thanks.
Isnt somthing hot if it produces heat? whether it comes from energy transformation or not. If you run your hand on a spinning wheel Im willing to bet your hand will get hot. Thus your hand gets hot from the wheel so you could accurately describe the spinning wheel as hot.
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