Energy & Green Tech

Scientists report new synapse-like phototransistor

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information ...

Security

How to keep automated electric vehicles safe

Having your social media account hacked is a pain. Having your credit card account hacked can be devastating. Having your new electric vehicle hacked could be disastrous.

Engineering

Solar-powered desalination unit shows great promise

Despite the vast amount of water on Earth, most of it is nonpotable seawater. Freshwater accounts for only about 2.5% of the total, so much of the world experiences serious water shortages.

Energy & Green Tech

Report: World demand for gasoline may never recover

The world's once-insatiable demand for gasoline is unlikely to recover to pre-pandemic levels, according to a report Wednesday from the International Energy Agency.

Energy & Green Tech

Seeing both sides of light collection

Two types of materials are better than one when it comes to solar cells, as revealed by an international team that has tested a new combination of materials and architecture to improve solar-cell efficiency.

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