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
Researchers at the University of North Carolina at Chapel Hill Department of Chemistry have engineered silicon nanowires that can convert sunlight into electricity by splitting water into oxygen and hydrogen gas, a greener ...
Nanophysics
Feb 17, 2023
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181
Non-fused-ring organic photoactive materials have attracted broad attention in recent years due to their low synthetic cost. Different from the rigid coplanar structure of fused-ring molecules, the easily rotated conformation ...
Analytical Chemistry
Feb 15, 2023
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19
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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43
As science and technology advance, we're asking our space missions to deliver more and more results. NASA's MSL Curiosity and Perseverance rovers illustrate this fact. Perseverance is an exceptionally exquisite assemblage ...
Space Exploration
Jan 20, 2023
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75
The first Native American woman in space ventured out on a spacewalk Friday to prep the International Space Station for more solar panels.
Space Exploration
Jan 20, 2023
0
5
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
0
63
Transitions are never easy. Sometimes they are underway, and we are unaware of them. When New York City transitioned away from a manufacturing to a service economy, we lost a million people and 500,000 manufacturing jobs. ...
Environment
Jan 4, 2023
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4
Professor Park Chi-Young's team successfully developed an atypical porous polymer material that can completely remove phenolic organic contaminants in water at ultra-high speeds. The porous material developed can efficiently ...
Polymers
Dec 29, 2022
0
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