Energy & Green Tech

EXPLAINER: World Cup host Qatar relies on desalination

Arid and surrounded by the salt waters of the Persian Gulf, World Cup host Qatar is among the world's most water-stressed countries. The nation of 2.9 million people has no rivers, and receives less than four inches (10 centimeters) ...

Energy & Green Tech

Making hydrogen out of thin air

A team of researchers at the University of Melbourne, working with a colleague from the University of Manchester, has developed a device that can use humidity from the air to make hydrogen gas. In their paper published in ...

Engineering

Affordable and productive electrolysis from a 3D printer

Stephane Weusten defended his Ph.D. on how to build an inexpensive and effective electrolyzer using a 3D printer. He easily adjusted geometrical parameters to improve the performance of the device. This accelerates research ...

Energy & Green Tech

Electric gains in battery performance

A high-performance version of the zinc-ion battery will enable stationary energy storage that promises to be cheaper, safer and more environmentally friendly than lithium-ion batteries.

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