17/06/2009

Working out a timescale for quantum operations

One of the issues affecting quantum systems is coherence. Understanding coherence and how it breaks down (decoherence) is one of the keys to putting together a powerful quantum computer. And, because wires made from metal ...

Death Penalty Does Not Deter Murder, According to New Study

Eighty-eight percent of the country's top criminologists do not believe the death penalty acts as a deterrent to homicide, according to a new study published today in Northwestern University School of Law's Journal of Criminal ...

Unusual shape of exploded star puzzles scientists

Penn State astronomers have used NASA's Chandra X-ray Observatory to produce a new image of a ghostly exploded star with an unusual shape in a galaxy near the Milky Way. Astronomers think the object may be the remains of ...

IRS, Treasury want cell phone tax repealed

(AP) -- Remember the last time you used a company cell phone for a quick personal call - or text or e-mail? Did you record the value of that call and pay taxes on it as income?

Shaken and Stirred: Lab Studies Ice From Frigid Worlds

The most exotic frozen cocktails on Earth won't be found in a chic restaurant or trendy bar. Scientists are mixing up these icy concoctions in a rather nondescript laboratory not much bigger than a janitor's closet. The surroundings ...

Reception problems linger after DTV transition

(AP) -- The shutdown of U.S. analog TV service on Friday appears to have gone relatively smoothly, but as expected, a lot of viewers are having problems getting the stations they want.

UN warns of 'megadisasters' linked to climate change

The United Nations on Tuesday raised the prospect of "megadisasters" affecting millions of people in some of the world's biggest cities unless more is done to heed the threat of climate change.

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