marvinglenn writes: LEDs are being everywhere, and nearly for everything, now. Apparently, if you get the right wavelength LEDs, you can make people vomit. If this pans out, it's a nice non-lethal weapon. The US Department of Homeland Security has awarded a contract for a company developing just that. All I want to know is: what's the wavelength of this 'evil color' (from TFA)?
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