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These guys used a laser to etch the surface of metals and make them reflect specific colors... If they can commercialize it this could mean great things for the automotive industry... Forget red spark plug wires, you could have your engine block, turbo, manifolds, intercooler, and every other metal piece in any color you want.. Plus, imagine paint that would never fade...
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oh nice find and something i have been thinking about for a few days sparked by a similar idea.
In some cases, the change causes the structures to absorb a range of colors so that they cannot be seen.
absorb seem to me to be the wrong word and gives what i think is a false impression. surely the material is not actually aborbing light like a sponge. that implies the light is stuck in the material and that the material might have a limit for absorbing light (like a sponge has a limit for absorbing water) and some light of that color should start dripping out at some point.
so what is really happening? i believe the light is actually being reflected in a direction that doesnt allow a person to see it or it is actually passing through in some fashion.
Electromagnetic spectrum in in the form of visible light, electromagnetic spectrum out in the form of IR. Seems like absorption to me. It's just released at a different wavelength. Absorbed just means to take in. doesn't necessarily mean you store the energy.
__________________ credo quia absurdum
Completed mods: fog light mod, Puddle lights, Clear corners, AFE short shifter, BHR Ignition system, Zaino!
Tactical Assault Stereo: Bose upgrade! Replace all speakers +10" sub in 4080 Box, JL Cleansweep!, Audiocontrol DQS
Drawing board:Anti-radar flare launchers in front fender vents.