Tech Xplore - water use(... continued page 2)

How floating solar panels are being used to power electric grids

In a world of finite land, solar farms can take up a lot of space. But there's a solution for that scarcity: panels that float.

Mar 9, 2023

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Converting waste, 'a leftover resource,' to biofuels reduces emissions

The United States could produce enough energy each year by harnessing waste—from landfill refuse to cow manure—to power the states of Oregon and Washington, all while cutting the equivalent of 37 million cars' worth of ...

Aug 2, 2019

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Reducing power plants' thirst

Electricity production is one of the industries that uses the most water in the country each day. Researchers at Sandia National Laboratories are helping the largest power plant in the United States identify the most efficient ...

Jan 10, 2020

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California drought: 'Smart' water meters coming to San Jose, other Bay Area cities

You've got a smartphone. Maybe a smartwatch. Or even a smart doorbell.

Jun 22, 2022

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Rooftop solar cells can be a boon for water conservation too

Electricity-generating rooftop solar cells not only save on planet-warming carbon emissions, they also save a significant amount of water, say a pair of Duke University researchers who have done the math.

Sep 21, 2022

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Electric vehicles could be powered by hydrogen harvested from sewage

Wastewater treatment is vital to remove pathogens, but is incredibly energy intensive. The ability to treat it more sustainably is a challenge researchers from WMG, University of Warwick have been able to achieve, using recycled ...

Nov 2, 2021

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Startup aims to fast-track lithium battery recycling

Billions of dead lithium-ion batteries, including many from electric vehicles, are accumulating because there is no cost-effective process to revive them. Now, Princeton researchers have developed an inexpensive, sustainable ...

Feb 22, 2022

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Researchers find smart faucets could aid in water conservation

Barely hidden from his study participants, William Jou, a former graduate student in mechanical engineering at Stanford University, pulled off a ruse straight out of The Wizard of Oz. Except, instead of impersonating a great ...

Aug 21, 2019

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A single Bitcoin transaction could use as much water as a backyard swimming pool

Cryptocurrency mining uses a significant amount of water amid the global water crisis, and its water demand may grow further. In a commentary published November 29 in the journal Cell Reports Sustainability, financial economist ...

Nov 29, 2023

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Machines scrub greenhouse gases from the air: Inventor of direct air capture technology explains

Two centuries of burning fossil fuels has put more carbon dioxide, a powerful greenhouse gas, into the atmosphere than nature can remove. As that CO2 builds up, it traps excess heat near Earth's surface, causing global warming. ...

Jan 19, 2022

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News tagged with water use