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Visible light
As frequency increases into the visible range, photons of EMR have enough energy to change the bond structure of some individual molecules. It is not a coincidence that this happens in the "visible range," as the mechanism of vision involves the change in bonding of a single molecule (retinal) which absorbs light in the rhodopsin in the retina of the human eye. Photosynthesis becomes possible in this range as well, for similar reasons, as a single molecule of chlorophyll is excited by a single photon. Animals that detect infrared make use of small packets of water that change temperature, in an essentially thermal process that involves many photons (see infrared sensing in snakes). For this reason, infrared, microwaves and radio waves are thought to damage molecules and biological tissue only by bulk heating, not excitation from single photons of the radiation.
originally posted by: dashen
a reply to: tanka418
heat is a transfer of energy from a hotter object to a colder one, usually resulting in an increase in entropy.(heightened molecular movement)
convection for instance is a form of heat transfer not involving IR.
IR is felt as heat because it is easily absorbed by water molecules in the skin which are then excited, which triggers nerves that register the effect as heat in the brain.
thermal radiation alternatively deals with the photonic emissions of all bodies warmer than absolute zero resulting from the kinetic motion of particles in matter. not necessarily in the IR range
originally posted by: dashen
a reply to: tanka418
what it really comes down to is that you are calling the author of this patent a liar and a fraud, because in the very text of the patent he alleges that the 3 inch lcd of a camcorder viewer produced the desired effect
local mass saturation multi frequency whammy?
i like it.
hell, they can even flicker the lights if they really wanted to
originally posted by: tanka418
By the way...the RED color (on LCD) is about 650nm and doesn't change..