The science fiction author Arthur C. Clarke selected his own seven wonders of the world in a BBC television series in 1997. The only astronomical object he included was SS 433. It had attracted attention already in the late ...
Astronomy
Jan 25, 2024
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85
Over the past few days, extremely cold Arctic air and severe winter weather have swept southward into much of the U.S., breaking daily low-temperature records from Montana to Texas. Tens of millions of people have been affected ...
Earth Sciences
Jan 18, 2024
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65
The powerful gravity fields of black holes can devour whole planets' worth of matter—often so violently that they expel streams of particles traveling near the speed of light in formations known as jets. Scientists understand ...
Astronomy
Jan 17, 2024
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34
We know that war is bad for the environment, with toxic chemicals left polluting the soil and water for decades after fighting ceases. Much less obvious are the carbon emissions from armed conflicts and their long-term impacts ...
Environment
Dec 13, 2023
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6
A new study in Nature Climate Change takes one of the first deep dives into how climate change will affect the fastest jet streams—the powerful, narrow winds in the upper atmosphere that steer much of the Earth's weather ...
Earth Sciences
Dec 7, 2023
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214
Studying nuclear matter under extreme conditions allows scientists to better understand how the universe might have looked right after its creation. Scientists at the Large Hadron Collider achieve the conditions for recreating ...
General Physics
Dec 7, 2023
1
86
For about 20 years, Caltech Professor of Applied Physics Paul Bellan and his group have been creating magnetically accelerated jets of plasma, an electrically conducting gas composed of ions and electrons, in a vacuum chamber ...
Plasma Physics
Dec 5, 2023
3
21
Scientific debate is getting heated over what to do about airplane contrails—the wispy lines of water vapor you often see trailing behind a jet.
Environment
Dec 4, 2023
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66
Rishi Sunak, David Cameron and King Charles are just three of the more than 70,000 delegates from nearly 200 countries at the latest UN climate summit in Dubai, COP28. But they are among hundreds who will have traveled there ...
Environment
Dec 4, 2023
1
3
In a new study published in Physical Review Letters, scientists explore how small water jets can create stable periodic oscillations on a solid disk, uncovering a connection between these movements and the waves they generate ...
