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212 Characters .....Very Bad..
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A nanotube contracts when heated and expands when cooled.
What Does It Mean?
A new nanotube expands and contracts with temperature changes. It’s the first pulsating nanostructure more complicated than a sphere, researchers say.
Building nanostructures is one challenge. Getting them to move on demand is another. Here's why that motion might matter: Say scientists loaded a nanotube with medicine and sent it searching your body for a cancer cell. Once the tube found the cell, it could park outside and let the drugs leak out. To chemists, this delivery strategy is the molecular equivalent of a mailman parking the truck outside your house until wind blows your mail on your front lawn. Your mail may not even arrive at your house, if it fell out of the truck earlier in the day.
But if the nanotube carrier could expand and contract on demand, it could spit out the drugs. This molecular mailman could push packages out of the truck. That transforms the tube from just a container to a working delivery system.
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191 Characaters is Way Too Much.
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Researchers Demonstrate 'giant' Forces
(Phys.org)—In a study that could lead to advances in the emerging fields of optical computing and nanomaterials, researchers at Missouri University of Science and Technology report that a new class of nanoscale slot waveguides pack 100 to 1,000 times more transverse optical force than conventional silicon slot waveguides
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Verizon Samsung Galaxy S III Developer Edition is now available
Link: http://betanews.com/2012/09/22/verizon-samsung-galaxy-s-iii-developer-edition-is-now-available/?
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