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Old 06-13-2014, 05:53 PM   #24
To Be Quite Honest
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Drilling to the mantle is already planned... Just not 700km deep.

"If Japanese support can be combined with other funding, Teagle says they could start drilling before the end of the decade, making it possible for humans to finally reach the Earth's mantle by the early 2020s."

http://www.cnn.com/2012/10/01/tech/m...drill-mission/

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