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Stories about: electrical

Semiconductor Membrane Better Than Biological Ones A new type of semiconductor membrane actually displays better electrical performances than its biological cousins and could find its way into many electronic applications, from single-molecule detection devices to DNA sequencing."By creating nanopores in the membrane, we can use the membrane to separate charged spec...	16 July 2007 12:36 GMT

How to Avoid Being Struck by Lightning You've probably heard than when a lightning storm catches you on open ground, you shouldn't take cover under a tree. That's true. Since lighting often strikes the highest spot in an area, ducking below a tall tree is definitely not a good idea, since you'll probably be struck in the same time.If ...	25 June 2007 10:10 GMT

Breakthrough in Nanomachining and Organic Molecular Breakdown A group of engineering researchers recently discovered a technique for building nanoscale devices, based on the dielectric breakdown of liquid organic molecules. This process is an electrical breakdown of a dielectric - electrical insulator - whereupon being stressed beyond its dielectric strength, resulting in the ...	25 June 2007 09:04 GMT

New Liquid Lens Can Instantly Magnify Without Any Moving Parts Lenses are used to converge or diverge light in various optical and electronic devices and the first written records of the use of a lens date to Ancient Greece, in 424 BC. The optical zoom lenses in professional television cameras can have a magnification ratio as high as 100x.Constructing a lens that does not chan...	14 June 2007 12:17 GMT

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