Laser Beams Deflected Off of Nothing but Air for First Time Ever in Breakthrough Patent Pending Process - The Debrief::An international team of scientists report that they have successfully used acoustics to deflect laser beams in an engineering first.
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This is a most excellent place for technology news and articles.
Light sabers?
Holograms or maybe molecular scale tractor beams?
Yelling lightsabers at that loudness. All the better imho.