Archive: 17/10/2007

Earliest evidence for reptiles

Newly discovered fossilised footprints provide the earliest evidence yet for the evolution of reptiles – a major event in the history of life. They are 315 million years old, making reptiles up to 3 million years older ...

dateOct 17, 2007 in Archaeology & Fossils
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Nanowire generates its own electricity

Harvard chemists have built a new wire out of photosensitive materials that is hundreds of times smaller than a human hair. The wire not only carries electricity to be used in vanishingly small circuits, but generates power ...

dateOct 17, 2007 in Nanophysics
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