Student Develops First Polarized LED

In recent years, light emitting diodes (LEDs) have begun to change the way we see the world. Now, a Rensselaer Polytechnic Institute student has developed a new type of LED that could allow for their widespread use as light ...

Mars Orbiter Photographs Avalanches

A NASA spacecraft in orbit around Mars has taken the first ever image of active avalanches near the Red Planet's north pole. The image shows tan clouds billowing away from the foot of a towering slope, where ice and dust ...

Ohio 'paper' vote system debuting with flaws, researchers say

The new voting system that Cleveland and its suburbs will use in tomorrow's primary election has serious flaws that risk greater voter error, say members of a research team from the Universities of Maryland, Rochester and ...

Global warming threatens more than just coral

Rising sea levels from global warming will threaten the livelihoods and homes of more than 200,000 people who live on coral atolls in coming generations.

Keeping Traditions in a Modern-Day Bedouin Village

University of Arkansas researchers have used modern digital-mapping technology to uncover an ancient tradition still practiced by a Bedouin tribe that once roamed Jordan but now has settled into a modern village. The findings ...

NASA'S Mission to Improve Predictions of Violent Space Weather

About 93 million miles from us lies an immense nuclear furnace spanning 100 Earths. In just one second, it produces enough power to supply the entire United States for nine million years. It is the closest star, our sun. ...

From opals to optical chips

Materials known as photonic crystals could form the building blocks of future optical computers and micro-scale communications devices. Scientists have developed a low-cost and versatile way to make photonic crystals, and ...

Steel forges foundation for cheaper solar power

Steel forged railroads, skyscrapers and the automobile industry. Now it may help solar energy become cheaper and more widely available. In a study scheduled for the March 20 issue of ACS' weekly Journal of Physical Chemistry ...

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