Energy & Green Tech
Anyone who has ever hot-footed it barefoot across the beach on a sunny day walks away with a greater understanding of just how much heat sand can retain. That ability is expected to play a vital role in the future, as technology ...
Mar 29, 2024
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Engineering
Hot water tanks, washing machines, kettles: limescale forms in every domestic appliance that comes into contact with (hot) water—especially in areas where the water is hard, meaning high in calcium. Often the only thing ...
Feb 12, 2024
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1
Energy & Green Tech
Rechargeable batteries have a lifespan of utility—losing their ability to hold a charge over time. As battery-powered aircraft are being developed for commuter flights in urban environments, the rate of degradation will ...
Oct 27, 2023
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13
Energy & Green Tech
Photovoltaic (PV) modules are devices that convert sunlight into electrical energy. However, they suffer from a low conversion efficiency of around 20% because they can only convert near-infrared wavelengths into electricity, ...
Sep 21, 2023
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10
Engineering
A chilly winter morning, the car windshield shrouded in a thick layer of frost. Who has not experienced the frustration of scraping ice or waiting for the defroster to work? It is a daily winter struggle, but what if this ...
Sep 6, 2023
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5
Energy & Green Tech
What is a calorie? While most people think of calories in relation to food, calories are simply a unit of heat energy. In fact, measuring calories is essential to energy science because every chemical reaction involves energy. ...
Jul 20, 2023
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4
Energy & Green Tech
A leisure center in Exmouth, southwest England, is using a small data center to heat its indoor swimming pool, trialing an innovative solution that reduces its energy bills and carbon footprint.
Jun 23, 2023
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5
Engineering
Engineers at Caltech have developed a method for 3D printing pure and multicomponent metals, at a resolution that is, in some cases, an order of magnitude smaller than previously possible. The process, which uses water-based ...
Dec 1, 2022
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402
Engineering
Gas turbines are widely used for power generation and aircraft propulsion. According to the laws of thermodynamics, the higher the temperature of an engine, the higher the efficiency. Because of these laws, there is an emerging ...
Aug 25, 2022
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99
Energy & Green Tech
Nuclear power plants provide large amounts of electricity without releasing planet-warming pollution. But the expense of running these plants has made it difficult for them to stay open. If nuclear is to play a role in the ...
Aug 11, 2022
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