Tiny battery is also a nanomotor

(PhysOrg.com) -- Measuring just 3.6 micrometers long, one of the smallest batteries ever made won’t be powering our electronic devices anytime soon, but it does serve as a self-powered nanomotor that is surprisingly ...

Space Image: North American Nebula

This swirling landscape of stars is known as the North America Nebula. In visible light, the region resembles North America, but in this image infrared view from NASA's Spitzer Space Telescope, the continent disappears.

Explanation for glowing seas suggested

It has long been known that distinctive blue flashes -- a type of bioluminescence -- that are visible at night in some marine environments are caused by tiny, unicellular plankton known as dinoflagellates. However, a new ...

The myth of the Arab Spring

New research shows true picture of what and who is behind the political uprisings.

New glass stamp may make cheaper, more precise biosensors

Advances in microchip technology may someday enable clinicians to perform tests for hundreds of diseases -- sifting out specific molecules, such as early stage cancer cells -- from just one drop of blood. But fabricating ...

US weighed cyber attack in Libya war: officials

The United States weighed launching a cyber-attack to disrupt Libyan air defenses before the start of an air campaign against Moamer Kadhafi's forces, officials said Tuesday.

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