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  • NASA Achieves Laser Communication With Lunar Satellite
    By on January 20, 2013 | Comments Off  Comments

    New submitter EngnrFrmrlyKnownAsAC writes “Communicating with lasers has become the hot new thing. While most researchers are seeking faster throughput, NASA set its sights in a different direction: the moon. They recently announced the first successful one-way laser communication ‘at planetary distances.’ What did they send? An image of the Mona Lisa, of course. ‘Precise timing was the key to transmitting the image. Sun and colleagues divided the (more…)

  • A Portable Laser Backpack For 3D Mapping
    By on September 19, 2010 | Comments Off  Comments

    wooferhound writes “A portable laser backpack for 3D mapping has been developed at the University of California, Berkeley, where it is being hailed as a breakthrough technology capable of producing fast, automatic and realistic 3D mapping of difficult interior environments. … The backpack is the first of a series of similar systems to work without being strapped to a robot or attached to a cart. At the same time, its data acquisition speed is very (more…)

  • NASA Satellite Laser Images Reveal Extreme Polar Melting
    By on September 24, 2009 | Comments Off  Comments

    After analyzing 50 million laser measurements from a NASA satellite, British scientists at the British Antarctic Survey (BAS) have painted a frightening picture for Greenland, with ice sheets melting at extreme rates.