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Hot rock water drill could reduce cost of geothermal energy

 
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Aurora



Joined: 24 Jan 2007
Posts: 8502

PostPosted: Fri May 21, 2010 5:47 am    Post subject: Hot rock water drill could reduce cost of geothermal energy Reply with quote

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The Guardian - 19/05/10

A novel drill that is inspired by a jet engine and uses super-heated water to carve through rock could help make clean energy from underground rocks more economically viable, according to its backers at Google.

Potter Drilling is part-funded by Google.org - the internet search giant's philanthropic arm - and wants to use its technology to develop geothermal energy, which involves tapping the energy from hot rocks deep in the Earth.

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