Throughout history, sonar’s distinctive “ping” has been used to map oceans, spot enemy submarines and find sunken ships. Today, a variation of that technology – in miniature form, developed by Cornell researchers – is proving a game-changer in wearable body-sensing technology.

  • MrScottyTay
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    21 year ago

    I think this would be pretty cool for those that are blind but could see a screen in front of them.