Archive: 01/18/2012

The faster-than-fast Fourier transform

The Fourier transform is one of the most fundamental concepts in the information sciences. It’s a method for representing an irregular signal — such as the voltage fluctuations in the wire that conne ...

Jan 18, 2012
4.9 / 5 (32) 20 | with audio podcast

Watching a gas turn superfluid

Every time you boil water in a kettle, you witness a phenomenon known as a phase transition — water transforms from a liquid to a gas, as you can see from the bubbling water and hissing steam. MIT physicists ...

Jan 18, 2012
4.8 / 5 (8) 5 | with audio podcast

Dutch hi-tech company ASML profits rise

ASML, key global supplier of computer chip-making systems and high-tech bellwether, Wednesday posted record sales for 2011 alongside a fourth-quarter slump of nearly 30 percent in net income.

Jan 18, 2012
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India's IT giant TCS slumps despite profit boost

Shares in India's biggest outsourcing firm TCS slid as much as 5.1 percent Wednesday amid investor concern about the outlook for a sector dependent on demand from crises-hit Europe and the United States.

Jan 18, 2012
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Wikipedia editors question site's blackout

Can the world live without Wikipedia for a day? The shutdown of one of the Internet's most-visited sites is not sitting well with some of its volunteer editors, who say the protest of anti-piracy legislation ...

Jan 18, 2012
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