How An Engineer's Desperate Experiment Created Fracking
The fracking boom in America kicked off almost by accident. An engineer worried about losing his job kept experimenting until he hit on a technique that changed the world.
Đọc thêm tại NPR
at September 28, 2016 at 03:34AM
Health & Science
Thứ Tư, 28 tháng 9, 2016
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