Heptagon Acoustic Tweezer repairs damaged nerves

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Miniaturized ultrasonic device capable of capturing and moving single cells and tiny living creatures.

University of Glasgow researchers have devised a Heptagon Acoustic Tweezer which makes use of resonance for manipulating matter. This sonic tweezer uses acoustic force to build cell matrices with the possibility of repairing injured nerves.

 

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3D acoustic cloak makes objects undetectable with sound

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The geometry of the plastic sheets and placement of the holes interact with sound waves to make it (and objects beneath it) appear as if they are not there.

Duke University engineers have demonstrated the world’s first three-dimensional acoustic cloak using a few perforated sheets of plastic and extensive computation. The new device reroutes sound waves to create the impression that both the cloak and anything beneath it are not there. (Video)

 

 

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Researchers find new ways to levitate objects with sound

Three-dimensional dancing on soundwaves.

We are nearing the middle of the second decade of the 21st century and we finally have video phones. But where are the floating skateboards and flying cars? Perhaps what researchers are describing as “acoustic levitation ballet” points to some eventual possibilities.

 

 

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Researchers Say Acoustic Levitation Could Save Equipment On Mars

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Rovers may have been able to endure life on Mars longer than anyone expected, but things could be more tricky for any sort of long-term exploration, where dust could cause equipment to grind to a halt or even pose a risk to human explorers. Some researchers from the University of Vermont now say they might have an answer to that problem, however, and it’s not too far removed from levitating fish.
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‘Acoustic Fingerprints’ Can Be Used For Identification

‘Acoustic Fingerprints’ Can Be Used For Identification 

iPods and mobile phones could be fitted with antitheft devices that detect ‘acoustic fingerprints’ so they only work when they are being used by the registered owner

Researchers have discovered that they can identify individuals from the faint sounds made deep inside the human ear and are now developing security devices using the technology.

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Helmet Patch To Measure Soldier’s Exposure To Explosions

Helmet Patch To Measure Soldier’s Exposure To Explosions 

The Palo Alto Research Center is using ink-jet printing technology to develop a disposable patch that can be worn on a soldier’s helmet for seven days to measure his or her exposure to blasts. 

Researchers are developing a cheap, lightweight plastic strip that can be worn on a soldier’s helmet to help diagnose brain injury.

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