Wormholes on Earth?

According to a group of mathematicians, it may be possible to create devices with internal tunnels that are invisible to detection by electromagnetic waves—wormholes, in a sense. The group discusses the idea in a paper ...

Nov 14, 2007 feature
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Important Twist in Supercapacitor Research

(PhysOrg.com) -- Car batteries as we know them today may soon be relics. Storing energy in clunky containers with limited shelf lives has plagued car makers and military engineers who need lightweight, powerful ...

Sep 19, 2008
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Garlic boosts hydrogen sulfide to relax arteries

Eating garlic is one of the best ways to lower high blood pressure and protect yourself from cardiovascular disease. A new study from the University of Alabama at Birmingham (UAB) shows this protective effect is closely linked ...

Oct 15, 2007
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New material means 'x-ray specs' no longer required

A new optical effect has been created in a London laboratory that means solid objects such as walls could one day be rendered transparent, scientists report today in the journal Nature Materials.

Feb 20, 2006
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Are We in the Peak of an Oil Bubble?

Since 2003, worldwide oil prices have quadrupled. According to a new study, the price of oil is rising at a faster-than-exponential rate, and cannot be sustained. In other words, we’re in the midst of an ...

Jul 07, 2008 feature
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Nokia introduces seven new mobile phones

Easy-to-use menus, stylish designs at the heart of new handsets for WCDMA, GSM and CDMA markets Today, at the Nokia Connection events in Helsinki and Singapore, Nokia introduced seven new handsets under th ...

Jun 13, 2005
2 / 5 (391) 0

Probing Question: What heats the earth's core?

Although we crust-dwellers walk on nice cool ground, underneath our feet the Earth is a pretty hot place. Enough heat emanates from the planet's interior to make 200 cups of piping hot coffee per hour for each ...

Mar 30, 2006
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The Physics of Friendship

By comparing people to mobile particles randomly bouncing off each other, scientists have developed a new model for social networks. The model fits with empirical data to naturally reproduce the community ...

Mar 10, 2006 feature
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Solar Cells with 60% Efficiency?

Nuclear Engineer Lonnie Johnson, best known for his invention of the super soaker squirt gun, has recently designed a new type of solar energy technology that he says can achieve a conversion efficiency rate ...

Jan 09, 2008 weblog
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Safe Nuclear Power and Green Hydrogen Fuel

Nuclear power is being shunned. It’s not surprising, after the serious accident at Chernobyl in 1986 that made the Russian city’s name synonymous with disaster. The potential exists for more of the same ...

Dec 11, 2005 feature
4.6 / 5 (165) 0

Mathematicians solve E8 structure (Update)

A transatlantic team of number-crunchers announced they had built a theoretical structure in 248 dimensions, resolving a 120-year puzzle that could be used to test theories about the structure of the cosmos.

Mar 19, 2007
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