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We've seen some overly elaborate invisibility cloaks in our day, but Duke engineers have shown that lo-fi may be best for audio. After much refinement, they've developed a shield that can hide objects from sound waves thanks to a highly engineered pyramid shape and carefully placed holes. The stac...

March 12th 2014 at 8:46pm 0 Comments
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Ultrasonic levitation has been possible for awhile, but it's not very practical when objects must typically hover along a single axis. University of Tokyo researchers Yoichi Ochiai, Takayuki Hoshi and Jun Rekimoto have cleared this hurdle with an ultrasonic array that can push items around in 3D s...

January 1st 2014 at 6:58pm 0 Comments
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We've actually seen this megaphone idea implemented before. While it's probably easiest to just go ahead and plug your iPhone in rather than trying to mechanically amplify the sound waves with a series of cones and chambers, that hasn't stopped some designers from putting together some intrigui...

August 23rd 2011 at 12:00am 0 Comments
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There's a long history of alarm clocks that promise a better way of waking you up in the morning, but few quite like this Acoustic Alarm built by designer Jamie McMahon. As you can see, it's not technically an alarm clock, but it does have an alarm of sorts: four tunable strings that are plucked us...

May 5th 2011 at 11:03am 0 Comments
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You can't afford a proper QWERTY keyboard on your phone, much less a expansive multitouch slate. What to do? Well, if a UK startup named InputDynamics has its way, you'll just tap on any surface of your handset. The company's developed a piece of software called TouchDevice that uses a phone's embe...

September 12th 2010 at 10:39am 0 Comments