News tagged with cathode

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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 ...

May 18, 2012
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Scientists make nontoxic, bendable nanosheets

(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics ...

Apr 11, 2012
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Cyborg snail produces electricity

(PhysOrg.com) -- First it was grapes, then cockroaches, and now snails have become the latest organism to generate electricity through an implanted biofuel cell. The process works similarly in all three situations: ...

Mar 15, 2012 report
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Feud over iPad highlights faded tech firm's woes

The battle between an ailing Chinese electronics maker and Apple Inc. over the iPad name is just as much a tale of obsolescence in the fast-moving global technology industry as it is a legal row over a trademark.

Feb 27, 2012
3.7 / 5 (3) 0

A systematic way to find battery materials

Lithium-ion batteries have become a leading energy source for everything from smartphones and laptops to power tools and electric cars, and researchers around the world are actively seeking ways to nudge their performance ...

Aug 12, 2011
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