News tagged with vacuum tube

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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New way to generate terahertz radiation

( -- Cornell researchers have developed a new method of generating terahertz signals on an inexpensive silicon chip, offering possible applications in medical imaging, security scanning and wireless data transfer.

dateJul 11, 2012 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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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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