From ray-gun to Blu-ray – physicsworld.com

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The digital bits were represented by micrometre-sized pits etched into the plastic and scanned for playback by a laser diode in a CD player. In retrospect, this new technology deserved to be launched with its own musical fanfare, but the first CD released, … NIF’s 192 ultraviolet laser beams, housed in a stadium-sized, 10-storey building, are designed to deliver a brief laser pulse measured in hundreds of terawatts into a millimetre-scale, deutrium-filled pellet

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From ray-gun to Blu-ray – physicsworld.com