Energy & Green Tech

Storm helps Poland hit wind energy record: 30% of power

Deadly high winds that struck Northern Europe last week generated a record level of wind energy for Poland, covering some 30% of the demand in a country where most of its electricity comes from coal, Poland's power distribution ...

Engineering

A 20 kW laser system for producing high-purity crystals

High-purity semiconductor crystals are required for power electronics in electric cars or in photovoltaics. When such crystals reach a diameter of 2 inches, they become relevant for industrial applications.

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