The next step is working to build a clocking device that can hide bigger objects in three-dimensions.

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The LEXID (Lobster Eye X-ray Imaging Device) functions by "radiating objects with tiny amounts of X-ray energy, " subsequently allowing its user to see behind steel, wood or concrete.

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Some of the early patients testing the device said they could distinguish boundaries between objects and differentiate light from dark.

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Jiawen Chen and David Kim, both of the Interactive 3D technologies team, showed off, respectively, KinEtre technology for animating scanned objects, and a wrist device for gesture control.

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So far the device has been shown to work for objects, such as bottles, that have been buried up to 20 centimetres deep and spaced just a few centimetres apart, but Dr Frazier already has her eye on doing better.

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Shrapnel embedded in some patients' skin seemed to be objects from the street, not from any explosive device, he said.

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''We locate objects on the sea bed with a side-scan sonar device which we tow along behind our salvage ship, '' she explained.

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It paid off, the 3Doodler is a brand new way of creating 3D objects and the company wants to make it the most affordable 3D printing device on the market.

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