Intelligent Optical Systems, Inc., of Torrance, Calif., has been granted a contract by the Department of Homeland Security to develop what it calls the "LED Incapacitator," according to a DHS online newsletter.

The handheld device using light-emitting diodes to emit super-bright pulses of light at rapidly changing wavelengths, causing disorientation, nausea and even vomiting in whomever it's pointed at.

"There's one wavelength that gets everybody," says IOS President Bob Lieberman. "Vlad [IOS top scientist Vladimir Rubtsov] calls it 'the evil color.'"