Archive: 08/05/2013

An electronic nose can tell pears and apples apart

Swedish and Spanish engineers have created a system of sensors that detects fruit odours more effectively than the human sense of smell. For now, the device can distinguish between the odorous compounds emitted by pears and ...

dateMay 08, 2013 in Engineering
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Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

dateMay 08, 2013 in General Physics
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What left these spooky trails in the sky?

Ball lightning? Spectral orbs? Swamp gas? Early this morning, May 7, these eerie glowing trails were seen in the sky above the Marshall Islands and were captured on camera by NASA photographer John Grant. Of course, if NASA's ...

dateMay 08, 2013 in Space Exploration
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Cold atoms for quantum technology

Researchers from the National Physical Laboratory, University of Strathclyde, Imperial College London and University of Glasgow have developed a portable way to produce ultracold atoms for quantum technology and quantum information ...

dateMay 08, 2013 in Quantum Physics
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