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Old 3rd August 2011 | Show parent
Gear Maniac
aackthpt's Avatar
Also remember that almost all materials have some absorption, and that all devices are mixed devices - it's just a matter of how much of one characteristic they posses versus another. I've never looked it up, but my guess would be that a shelf of books would wind up being more of a midrange absorber than any sort of scattering or diffusing device. Though it probably wouldn't do any of it especially much.

For best diffusion effect, you'd also have to keep the books in precisely the same positions and at precisely the same depths all the time. Unless you never actually use the books, that seems unlikely.