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Lunar eclipse turns moon blood red

The longest lunar eclipse in more than a decade turned the moon blood red on Thursday, yielding a rare visual treat for stargazers across a large swathe of the planet from Australia to Europe.

dateJun 16, 2011 in Space Exploration
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Air quality in an app

Thanks to sensors installed on trams that send data live to mobile phones, people can check air pollution levels around the city with just one click and in real time. This new app developed by EPFL researchers was recently ...

dateMar 11, 2013 in Engineering
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