Energy & Green Tech

How do solar panels work?

How do solar panels work? – Nathan, age 5, Melbourne, Australia.

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.

Energy & Green Tech

Microgrids and solar reduce risk of power outages

Climate change is fueling more floods, droughts, wildfires, and extreme storms across the United States. As a result, aging power grids are being pushed beyond their limits, sometimes with deadly impacts. (In 2020, a series ...

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