Coal mining

President Obama Working to Reverse President Bush's Environmental Legacy

Space & Earth / Environment

created May 01, 2009 | popularity 4.4 / 5 (179) | comments 63 weblog

(PhysOrg.com) -- In the U.S., there is a tradition followed by outgoing presidents: Enact as many new policies as possible -- especially if you think that the incoming president would disapprove. This practice ...


Important Twist in Supercapacitor Research

Important Twist in Supercapacitor Research

Nanotechnology / Nanomaterials

created Sep 19, 2008 | popularity 4.3 / 5 (185) | comments 15

(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 ...


Superluminal sound set-up

'Mach c'? Scientists observe sound traveling faster than the speed of light

Physics / General Physics

created Jan 17, 2007 | popularity 4.1 / 5 (193) | comments 0 feature

For the first time, scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light, c. William Robertson’s team from Middle Tennessee State University ...


Mathematicians unlock major number theory puzzle

Other Sciences / Mathematics

created Feb 27, 2007 | popularity 4.2 / 5 (184) | comments 0

Mathematicians have finally laid to rest the legendary mystery surrounding an elusive group of numerical expressions known as the "mock theta functions." Number theorists have struggled to understand the functions ever since ...


Garlic boosts hydrogen sulfide to relax arteries

Medicine & Health / Health

created Oct 15, 2007 | popularity 4.5 / 5 (170) | comments 0

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 ...


New material means 'x-ray specs' no longer required

New material means 'x-ray specs' no longer required

Physics /

created Feb 20, 2006 | popularity 4.6 / 5 (166) | comments 0

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.


Are We in the Peak of an Oil Bubble?

Are We in the Peak of an Oil Bubble?

Physics / General Physics

created Jul 07, 2008 | popularity 4.3 / 5 (178) | comments 39 feature

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 oil ...


Climate change odds much worse than thought

Climate change odds much worse than thought: New analysis shows warming could be double previous estimates

Space & Earth / Earth Sciences

created May 19, 2009 | popularity 4.3 / 5 (177) | comments 93

(PhysOrg.com) -- The most comprehensive modeling yet carried out on the likelihood of how much hotter the Earth’s climate will get in this century shows that without rapid and massive action, the problem will ...


Beyond batteries: Storing power in a sheet of nanocomposite paper

Beyond batteries: Storing power in a sheet of nanocomposite paper

Nanotechnology / Nanomaterials

created Aug 13, 2007 | popularity 4.7 / 5 (164) | comments 0

Researchers at Rensselaer Polytechnic Institute have developed a new energy storage device that easily could be mistaken for a simple sheet of black paper.


Researchers reveal 'extremely serious' vulnerabilities in e-voting machines

Researchers reveal 'extremely serious' vulnerabilities in e-voting machines

Technology / Computer Sciences

created Sep 13, 2006 | popularity 4.9 / 5 (156) | comments 0

In a paper published on the Web today, a group of Princeton computer scientists said they created demonstration vote-stealing software that can be installed within a minute on a common electronic voting machine. ...


Nokia 6060

Nokia introduces seven new mobile phones

Electronics /

created Jun 13, 2005 | popularity 2 / 5 (385) | comments 0

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 ...


The Physics of Friendship

The Physics of Friendship

Physics /

created Mar 10, 2006 | popularity 4.7 / 5 (161) | comments 1 feature

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 ...


New mathematics-based sculpture unveils fourth dimension

New mathematics-based sculpture unveils fourth dimension

Other Sciences /

created Oct 20, 2005 | popularity 4.4 / 5 (168) | comments 0

Artistic works traditionally carry significance beyond their physical beauty, but a new sculpture in the McAllister Building headquarters of the Penn State Department of Mathematics may carry that tradition ...


Wormholes on Earth?

Physics / General Physics

created Nov 14, 2007 | popularity 4.5 / 5 (166) | comments 7 feature

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 published ...


Lonnie Johnson

Solar Cells with 60% Efficiency?

Technology / Engineering

created Jan 09, 2008 | popularity 4.7 / 5 (159) | comments 19 weblog

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 ...