Engineering

New system recovers fresh water from power plants

A new system devised by MIT engineers could provide a low-cost source of drinking water for parched cities around the world while also cutting power plant operating costs.

Electronics & Semiconductors

Ink coating could enable devices powered by heat

Researchers in Sweden report that they are closing in on a way to replace batteries for wearables and low-power applications in the internet of things (IoT). The answer lies in an ink coating that enables low-grade heat, ...

Energy & Green Tech

Making the case for hydrogen in a zero-carbon economy

As the United States races to achieve its goal of zero-carbon electricity generation by 2035, energy providers are swiftly ramping up renewable resources such as solar and wind. But because these technologies churn out electrons ...

Energy & Green Tech

Smart devices to schedule electricity use may prevent blackouts

Power plants generate electricity and send it into power lines that distribute energy to nodes, or sites, where it can be used. But if the electricity load is more than the system's capacity, transmission can fail, leading ...

Energy & Green Tech

Influx of electric vehicles accelerates need for grid planning

Electric vehicles are coming—en masse. How can local utilities, grid planners and cities prepare? That's the key question addressed with a new study led by researchers at Pacific Northwest National Laboratory..

Energy & Green Tech

Tracking power generation and use in the U.S. on an hourly basis

A team of researchers at Stanford University has found a way to track how much electricity is generated and used in the U.S. on an hourly basis. In their paper published in Proceedings of the National Academy of Sciences, ...

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