| http://www.w3.org/ns/prov#value | - We speak and even think of the Sun as ???giving light.??? Yet we know it is simply giving forth energy which produces vibrations in the ether at the rate of four hundred trillion a second, causing what are termed light waves, so that we know that we call light is simply a form of energy and that the only light there is, is the sensation caused in the mind by the motion of the waves.
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