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US scientists working on miniaturised, jet engine-based generators created from a single stack of bonded silicon wafers. These chip-based mini engine could power gadgets like mobile phone in the future.
Recently fuel cells for electronics where in the news, now tiny engines could be another solution to the battery problem.
The micro jet turbines work by spinning a tiny magnet above a mesh of interleaved coils etched into a wafer. David Arnold and Mark Allen of the Georgia Institute of Technology, are the first to to build a silicon-compatible device capable of converting mechanical energy, produced by a rotating microturbine, into usable amounts of electrical energy.
Microengines have at least 10 times more energy per volume of fuel than conventional lithium batteries. They take up less space and work apparently better fuel cells.
Much more details on Story on The
New Scientist.
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Posted: 2004-10-22 13:44:17
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Cool ! How about exhaust & polution ?? Any facts on how they compare to lithium batterys in that area, and will we re-charge or re-fuel our phones then.. ;-)
This message was posted from a P900
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Posted: 2004-10-22 13:56:35
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I'd love to see smoke getting out of my phone when making a call...
On second thought, maybe i wouldn't...
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Posted: 2004-10-22 13:59:27
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All well and good, but how bigs the petrol tank...
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Posted: 2004-10-22 14:09:51
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Next thing you know they'll put cranks on the mobile to crank up the turbine in cold conditions
It wud be somewhat cool to have smoke emanating from the mobile
Imagine if something goes wrong with the turbine and our cell just zooms out of your hand, and starts flying around ! I bet you'll probably get a call from china or someplace far that your cell has crash landed there !
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Posted: 2004-10-24 07:37:06
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