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Sascha Friedrich

Sound Waves Focused Into Laserlike Beam : Discovery News - 0 views

news.discovery.com/...er-laser-beam-sound-130319.htm

sound waves beam phonons

shared by Sascha Friedrich on 15 Aug 14 - No Cached
  • Sascha Friedrich on 15 Aug 14
     
    "phonons, waves of sound that require a medium, such as a gas, liquid or solid, to travel."
Sascha Friedrich

Royal London Society For Blind People, ustwo Partner To Help The Visually Impaired Navi... - 0 views

techcrunch.com/...ibeacon-navigation

ibeacon travel blind guide

shared by Sascha Friedrich on 08 Aug 14 - No Cached
  • Sascha Friedrich on 08 Aug 14
     
    "providing audio cues to direct them through stations "
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