News tagged with vacuum tube

Collection Provides Supply for Taxonomical Rescues

( -- The Agricultural Research Service maintains some of the world's largest publicly accessible collections of microbes that are used to benefit agricultural sciences. But some smaller ARS collections are critical ...

dateJan 25, 2010 in Other
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Crashing the size barrier

Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to dramatically shrink ...

dateNov 18, 2009 in General Physics
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Using Nanotubes in Computer Chips

( -- MIT materials scientists have developed a new technique for growing carbon nanotubes that could replace the vertical wires in chips, permitting denser packing of circuits.

dateSep 10, 2009 in Nanomaterials
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The Ultimate Long Distance Communication

Anyone who's vacationed in the mountains or lived on a farm knows that it's hard to get good internet access or a strong cell phone signal in a remote area. Communicating across great distances has always been a challenge. ...

dateAug 19, 2009 in Space Exploration
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Teeny-tiny X-ray vision

The tubes that power X-ray machines are shrinking, improving the clarity and detail of their Superman-like vision. A team of nanomaterial scientists, medical physicists, and cancer biologists at the University of North Carolina ...

dateJul 28, 2009 in Nanomaterials
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Physicist takes a quantum leap

( -- A University of Queensland physicist is seeking answers to a persistent problem throughout human history: how do I compute things? None, however, have had the same impact as what we today know as simply the ...

dateJul 06, 2009 in Quantum Physics
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