Engineering

Exploring explosives for expanding geothermal energy

Why are scientists setting off small-scale explosions inside 1-foot cubes of plexiglass? They're watching how fractures form and grow in a rocklike substance to see if explosives or propellants, similar to jet fuel, can connect ...

Energy & Green Tech

Africa looks to renewables to curb warming, boost economies

From wind farms across the African coastline to geothermal projects in the east African rift valley, a new United Nations climate report on Monday brought the continent's vast clean energy potential into the spotlight. If ...

Engineering

Micro drilling turbines improve efficiency of geothermal systems

Geothermal systems are becoming an increasingly important source of clean and, above all, baseload-capable energy. But the wells, which can be several thousand meters deep, are risky, and things can sometimes go wrong. Fraunhofer ...

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