A revolution in geothermal energy, involving both shallow geoexchange systems like New York's Riverie and deep drilling enhanced geothermal techniques, is set to provide baseload clean energy and ...
For centuries, small-scale gold miners have used highly toxic mercury to extract tiny particles of gold from crushed ore. If not carefully managed, the resulting slurry can be devastating to the ...
Every year, TechCrunch’s Startup Battlefield pitch contest draws thousands of applicants. We whittle those applications down to the top 200 contenders, and of them, the top 20 compete on the big stage ...
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