South Africa's current electricity crisis has been described as "a perfect storm". A number of factors have converged to reach this point: an aging and inadequately maintained fleet of coal power stations, delays in upgrading ...
Economics & Business
Feb 22, 2023
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4
Silicon, the standard semiconducting material used in a host of applications—computer central processing units (CPUs), semiconductor chips, detectors, and solar cells—is an abundant, naturally occurring material. However, ...
Condensed Matter
Feb 16, 2023
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A new study published today in Nature Sustainability has found that using hydropower dams to generate low emission energy can cause problems for other economic sectors such as food production unless smart designs are employed.
Environment
Jan 27, 2023
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Green hydrogen is hydrogen fuel that is produced using environment-friendly methods. Water electrolysis is one of the primary methods of producing green hydrogen. Here, electrical energy generated using renewable energy sources, ...
Analytical Chemistry
Jan 18, 2023
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58
A team of researchers affiliated with multiple institutions in China, working at the Shanghai National Laboratory of High-Power Laser Physics, has conducted measurements of accelerating electrons from a magnetically driven ...
The sun emitted a strong solar flare, peaking at 1:50 p.m. EST on Jan. 9, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured imagery of the event.
Astronomy
Jan 10, 2023
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32
The Sun emitted a strong solar flare, peaking at 7:57 p.m. EDT on Jan. 5, 2023. NASA's Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.
Space Exploration
Jan 6, 2023
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63
Neutron stars and black holes may be stellar corpses, but they are among the most active celestial objects. They produce some of the highest-energy radiation ever observed, and scientists have long puzzled over the physics ...
Plasma Physics
Jan 6, 2023
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515
Despite being the most abundant metal on Earth, constituting over 8% of the Earth's core mass, aluminum was only discovered in the 1820s, by Danish physicist Hans Christian Ørsted. This is partly explained because pure aluminum ...
Materials Science
Dec 2, 2022
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152
The planet is heating up as greenhouse gas emissions rise, contributing to extreme heat waves and once-unimaginable flooding. Yet despite the risks, countries' policies are not on track to keep global warming in check.
Environment
Nov 21, 2022
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