News tagged with square kilometer

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

dateJan 20, 2015 in Space Exploration
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City heat from ancient mines

People living in Glasgow could get around 40% of the energy they need to heat their homes and businesses from tapping into the rocks and water in old abandoned mineshafts and other mine workings beneath the ...

dateJul 11, 2012 in Energy & Green Tech
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