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Geothermal energy

How to see through rock

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

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

New helicopter technology could save farmers millions

Danish scientists have developed a new method for measuring nitrate degradation in soil. The new method could save farmers a lot of money and help protect fish from oxygen depletion.