Quantum skyfall puts Einstein's gravity to the test

DIVIDING a falling cloud of frozen atoms sounds like an exotic weather experiment. In fact, it's the latest way to probe whether tiny objects obey Einstein's theory of general relativity, our leading explanation for gravity. General relativity is based...

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AIM not bidding for PAP town councils' tender

SINGAPORE: Action Information Management (AIM), which runs the People's Action Party (PAP) town councils' computer systems, will no longer operate the systems when its contract expires on April 30. It said on Wednesday that it will not participate in the latest tender exercise.The arrangement between AIM, a company fully owned by the PAP, and the PAP town councils had caused controversy...

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See a saber duel through Darth Vader's eyes

I've got a bad feeling about this.(Credit:Screenshot by Christopher MacManus/CNET)In the "Star Wars" universe, Jedi and Sith usually settle a score with a good old-fashioned lightsaber duel. Even though all six movies featured lengthy confrontations filled with sizzling sabers, George Lucas never showed an angle of how that type of fight would appear through the eyes of a dueler.Independent filmmakers...

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Why African Rhinos Are Facing a Crisis

The body count for African rhinos killed for their horns is approaching crisis proportions, according to the latest figures released by the International Union for Conservation of Nature (IUCN). To National Geographic reporter Peter Gwin, the dire numbers—a rhinoceros slain every 11 minutes since the beginning of 2013—don't come as a surprise. "The killing will continue as long as...

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Holder Says Sequester Makes America Less Safe

The looming budget sequestration will make Americans less safe, Eric Holder says—and anyone who says otherwise isn't telling the truth."This is something that is going to have an impact on the safety of this country," the U.S. attorney general told ABC's Pierre Thomas on Wednesday in a wide-ranging, exclusive interview."And anybody that says otherwise is either lying or saying...

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Newly spotted comet to buzz Mars in 2014

Lisa Grossman, physical sciences reporterA Martian sunset, as seen by NASA's Spirit rover in 2005. (Image: Mars Exploration Rover Mission, Texas A&M, Cornell, JPL, NASA)There's a new comet in town, and it is making a beeline for Mars. If projections of its orbit are correct, the icy visitor will buzz the Red Planet in October 2014.Dubbed C/2013 A1, the comet was discovered on 3 January by prolific...

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Dollar edges higher as Bernanke confirms stimulus

NEW YORK: The dollar edged higher Tuesday against the euro after Ben Bernanke confirmed the US Fed's stimulus program would continue, while the yen traded flat ahead of the nomination of a new Bank of Japan chief.At 2200 GMT the euro was at $1.3061, compared to $1.3065 late Monday. The euro remained under pressure after Italy's inconclusive election, which some fear could lead to more...

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Adobe issues emergency patch for zero-day Flash vulnerabilities

Adobe Systems released a security update today that addresses a trio of vulnerabilities in Flash, two of which it said were already being exploited by hackers.Today's surprise update -- the company's third for the browser plugin this month -- patches holes "that could cause a crash and potentially allow an attacker to take control of the affected system," Adobe said in a security bulletin."Adobe is...

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A History of Balloon Crashes

A hot-air balloon exploded in Egypt yesterday as it carried 19 people over ancient ruins near Luxor. The cause is believed to be a torn gas hose. In Egypt as in many other countries, balloon rides are a popular way to sightsee. (Read about unmanned flight in National Geographic magazine.)The sport of hot-air ballooning dates to 1783, when a French balloon took to the skies with a sheep,...

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Senate Votes to Confirm Hagel as Defense Secretary

After a tough two-month battle characterized by tough interrogation and a partisan divide, the Senate voted 58-41 to confirm Chuck Hagel -- President Obama's nominee -- as secretary of defense this afternoon.Only four Republicans broke party lines to vote in Hagel's favor. They included Sens. Thad Cochran of Mississippi, Richard Shelby of Alabama, Mike Johanns of Nebraska and...

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