Engineering
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.
Apr 27, 2021
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137
Electronics & Semiconductors
Solar energy is critical for a clean-energy future. Traditionally, solar energy is harvested using silicon—the same semiconductor material used in everyday electronic devices. But silicon solar panels have drawbacks: for ...
Jul 10, 2024
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27
Engineering
Small changes in membrane design can have a large impact on the performance of a new technology developed at KAUST that uses waste heat from solar cells for seawater desalination.
Aug 3, 2021
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1395
Engineering
MIT engineers aim to produce totally green, carbon-free hydrogen fuel with a new, train-like system of reactors that is driven solely by the sun.
Oct 16, 2023
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87
Energy & Green Tech
In any form of energy conversion—even with something as green as solar panels—extra heat is generated. But with up to 72 percent of it left unused, there's also great potential to harvest electricity from that waste.
Sep 21, 2021
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10
Energy & Green Tech
An estimated two-thirds of humanity is affected by shortages of water, and many such areas in the developing world also face a lack of dependable electricity. Widespread research efforts have thus focused on ways to desalinate ...
Feb 14, 2022
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183
Electronics & Semiconductors
New heat-harnessing "solar" cells that reflect 99% of the energy they can't convert to electricity could help bring down the price of storing renewable energy as heat, as well as harvesting waste heat from exhaust pipes and ...
Sep 21, 2020
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95
Energy & Green Tech
A step forward in the evolution of perovskite solar cells recorded by researchers at City University of Hong Kong (CityU) will have significant implications for renewable energy development.
Oct 20, 2023
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9
Energy & Green Tech
As anyone who has ever parked a car in the sun on a hot summer day knows, glass windows are great at letting sunlight in but terrible at allowing heat out.
Oct 26, 2021
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271
Energy & Green Tech
Cost-slashing innovations are underway in the electric power sector and could give electricity the lead over fossil-based combustion fuels in the world's energy supply by mid-century. When combined with a global carbon price, ...
Nov 25, 2021
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