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Geothermal energy

How to see through rock

February 23, 2012 in Technology
It’s costly to drill deep into the ground for thermal energy. So you may want to know what’s going on down there. Mathematicians can help.

Harnessing the heat below

November 28, 2011 in Technology
The deeper you drill, the hotter it gets. This video shows an example of how to recover geothermal energy from hot bedrock.

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Cloud computing: How safe is your data?

June 19, 2013 in Technology
Cloud computing enables users to save their data online rather than on their hard drive. This data may, however, also become available to strangers. Danish scientists are working on a solution.
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