Archive: 05/21/2012

Smart highways to avoid traffic jams

(Phys.org) -- Traffic lights on highway access ramps can help prevent traffic jams. Swiss engineers are testing this approach to increase the capacity of Swiss highways.

dateMay 21, 2012 in Engineering
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Galaxies in the young cosmos

(Phys.org) -- The universe was born about 13.7 billion years ago in the big bang. The Sun and its system of planets formed about five billion years ago. What happened, then, during that long, intervening stretch ...

dateMay 21, 2012 in Astronomy
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Stunning Lyrid meteor over earth at night

(Phys.org) -- On the night of April 21, the 2012 Lyrid meteor shower peaked in the skies over Earth. While NASA allsky cameras were looking up at the night skies, astronaut Don Pettit aboard the International ...

dateMay 21, 2012 in Space Exploration
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