Lasers

Beam Me Up? Scientists Fire the Most Powerful Freakin’ Laser Beam Ever
2012.07.17.09:42
Laser beam packs 500 terawatts of power, 1.85 megajoules of energy.  “Goal was to change channels on a TV on Mars.” After 15 years of research, scientists from the Lawrence Livermore National Laboratory’s National Ignition Facility (NIF) managed to shoot a record-breaking laser beam. An impressive 192 lasers fired a beam within a few trillionths of a second of each other onto a target two millimeters in diameter. The beam fired July 5 packed a punch of 500 trillion watts (terawatts) of power and 1.85 megajoules of energy.

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2012.07.11.06:35
It seems like every time I set foot in an airport, there is some new machine I need to stand in, walk through, or put my shoes on. Soon, if the Department of Homeland of Security has its way, airport security might be augmented with a laser that scans you from 50 meters away — a lot like a Star Trek tricorder.

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