News tagged with vacuum tube

New way to generate terahertz radiation

(Phys.org) -- 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 ...

Jul 11, 2012 4.9 / 5 (12) 4 | with audio podcast

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 ...

May 18, 2012 5 / 5 (11) 3

Collection Provides Supply for Taxonomical Rescues

(PhysOrg.com) -- 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 ...

Jan 25, 2010 not rated yet 0