News tagged with vacuum tube

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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Return of the vacuum tube

Vacuum tubes have been retro for decades. They almost completely disappeared from the electronics scene when consumers exchanged their old cathode ray tube monitors for flat screen TVs. Their replacement – the semiconductor ...

dateMay 18, 2012 in General Physics
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