Archive: 19/10/2011

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 ...

dateOct 19, 2011 in Nanophysics feature
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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.

dateOct 19, 2011 in Space Exploration
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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 ...

dateOct 19, 2011 in Plants & Animals
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