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The weapon is composed of two parts: first, a femtosecond laser, which shoots a burst of focused light for 10−15 seconds, just long enough to rip the electrons from air molecules and create a ball of plasma. (Sometimes called the fourth state of matter, plasma is a field of electrified gas, highly responsive to electromagnetic effects.) The scientists then hit that plasma field with a second nanolaser, tuned to an extremely narrow range of wavelengths. They use that to manipulate the plasma field in a way that can produce light and noise. Get the interaction precise enough and you get something that sounds like a haunted walkie-talkie.
“We’re this close to getting it to speak to us. I need three or four more kilohertz,” says David Law, who runs JNLWD’s technology division. Ultimately, he wants a single system that can produce multiple effects — noise, light, even heat — and replace a wide variety of non-lethal weapons that the military has been testing.
The U.S. Department of Defense's Joint Non-Lethal Weapons Program is getting ready to test what they're calling the Laser Induced Plasma Effect, a weapon that would hit targets with a blue ball of plasma — the state of matter just a little more solid than gas — and create an extremely loud noise.
The idea here: Instead of riddling a target full of holes, soldiers could stun them with an explosive scream-like sound, sending them into a panic.
So beyond crowd control, what other nefarious mischief could one produce with a device that creates voices from thin air at a distance?
originally posted by: booyakasha
its not quite out of thin air though... but damn close.
This is awesome. I feel like we are witnessing a new type CD being created in that first video.