Feature Stories, Weblog & Reports

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
4.5 / 5 (177) 7

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
4.3 / 5 (178) 39

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

How did the universe begin?

One of the most interesting questions considered by astrophysicists deals with the start of our universe. Indeed, there is a great deal of speculation on the subject, with different theories about how the universe began, ...

Jun 24, 2008 feature
3.9 / 5 (191) 137

Why Life Originated (And Why it Continues)

(PhysOrg.com) -- Today, scientists understand pretty well how life evolves, by mechanisms based on Darwin’s theory of natural selection for survival of the fittest. However, Darwin’s 1859 classic, On the ...

Dec 09, 2008 feature
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Study Shows Silver Nanoparticles Attach to HIV-1 virus

In the first-ever study of metal nanoparticles' interaction with HIV-1, silver nanoparticles of sizes 1-10nm attached to HIV-1 and prevented the virus from bonding to host cells. The study, published in the Journal of Na ...

Oct 14, 2005 feature
4.1 / 5 (169) 0