Archive: 26/05/2011

Solar inverters: Losses are cut in half

A switching trick makes it possible to cut the losses of a series-production inverter in half and increase the efficiency from 96 to 98 percent. The HERIC-topology makes it possible to achieve a world-record efficiency of ...

dateMay 26, 2011 in Engineering
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The hand as a joystick

You need a mouse and a keyboard, a touch-screen or a joystick to control a computer system. In the future, a new gesture command system will make it possible to use just the fingers of a hand.

dateMay 26, 2011 in Engineering
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The kids are alright

Children should be seen and not heard... who says? A Philosophy academic at The University of Nottingham is challenging the adage by teaching primary school children to argue properly.

dateMay 26, 2011 in Social Sciences
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Nanostructures improve solar cell efficiency

To make solar cells a competitive alternative to other renewable energy sources, researchers are investigating different alternatives. A step in the right direction is through new processes that change the surfaces of silicon ...

dateMay 26, 2011 in Nanomaterials
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New biomaterial more closely mimics human tissue

(PhysOrg.com) -- A new biomaterial designed for repairing damaged human tissue doesn’t wrinkle up when it is stretched. The invention from nanoengineers at the University of California, San Diego marks a significant ...

dateMay 26, 2011 in Biochemistry
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