Engineering
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 percent efficiency—a ...
Apr 13, 2022
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Energy & Green Tech
Australia's energy transition is well under way. Some 3 million households have rooftop solar and sales of medium-sized electric cars are surging. But as we work towards fully electric households powered by renewable energy, ...
Jun 5, 2023
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203
Energy & Green Tech
MIT engineers have come up with a conceptual design for a system to store renewable energy, such as solar and wind power, and deliver that energy back into an electric grid on demand. The system may be designed to power a ...
Dec 6, 2018
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2003
Energy & Green Tech
Scientists led by an Oregon State University researcher have developed a new electrolyte that raises the efficiency of the zinc metal anode in zinc batteries to nearly 100%, a breakthrough on the way to an alternative to ...
Mar 27, 2023
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Engineering
Desalination is the answer to long-term water security, but it's also expensive and energy-intensive. The good news is that scientists are developing some viable solutions.
Oct 4, 2021
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Energy & Green Tech
Sprawled like a gigantic swimming pool atop a bluff overlooking Lake Michigan is an asphalt-and-clay pond holding enough water to produce electricity for 1.6 million households.
Apr 19, 2022
2
153
Energy & Green Tech
It's a typical, sweltering August day in Los Angeles, with temperatures pushing 95° downtown. When people get home from work in the late afternoon, the first thing they do is crank up the AC to cool their overheated homes.
Oct 11, 2023
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33
Engineering
During the most recent total solar eclipse visible in the U.S., on Aug. 21, 2017, the skies darkened as the moon crossed in front of the sun. It blocked out all sunlight—except for that from a golden ring visible around ...
Mar 11, 2024
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55
Energy & Green Tech
Researchers have built a more efficient, more reliable potassium-oxygen battery, a step toward a potential solution for energy storage on the nation's power grid and longer-lasting batteries in cell phones and laptops.
May 13, 2019
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329
Energy & Green Tech
The energy produced over the lifetime of typical rooftop solar panels more than makes up for the energy it takes to make, mount and then eventually recycle them. But adding a home battery usually lowers those dividends, according ...
Apr 9, 2019
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