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The Laser at 50: Advancing Science through Beams of Coherent Light

May 16 marks the 50th anniversary of the first working laser, invented at Hughes Research Laboratories in 1960. We take a look at the past, present and potential future of this groundbreaking technology

Lasers Demonstrate the Power to Heal Without Scarring

Green laser light can trigger collagen fibers to link up in nerves and other damaged tissue

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Laser Trapping of Neutral Particles

Lasers can be used to trap and manipulate electrically neutral particles. These techniques have allowed scientists to cool vapors to near absolute zero, develop new atomic clocks, and stretch single molecules of DNA

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Ray Guns Near Crossroads to the Battlefield [Slide Show]

The Pentagon ramps up efforts to field directed-energy beam weapons for land, air and sea

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Key Moments in the Laser's First Half Century

Former Hughes Aircraft Company researchers Daniel Nieuwsma and Bob Byren recall the birth of the laser and the past three decades they have spent taking the technology in new directions

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