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
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21
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
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3
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
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 ...
Storm Ciarán made landfall in southern regions of the UK during the evening of November 1, 2023. The UK's Met Office issued amber weather warnings for November 2 in specific areas in the south of the UK, cautioning about ...
Environment
Nov 3, 2023
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13
Storm Ciarán made landfall in south-west England and northern France overnight on November 1, with heavy rain and winds blowing up to 180 kilometers per hour (108 mph).
Environment
Nov 3, 2023
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Heavy precipitation, wind storms, heat waves—when severe weather events such as these occur they are frequently attributed to a wavy jet stream. The jet stream is a powerful air current in the upper troposphere that balances ...
Earth Sciences
Nov 1, 2023
0
34
Jupiter has some of the most conspicuous atmospheric features in our solar system. The planet's Great Red Spot, large enough to envelop Earth, is nearly as well known as some of the various rivers and mountains on the planet ...
Astronomy
Oct 19, 2023
5
212
Winter is still weeks away, but meteorologists are already talking about a snowy winter ahead in the southern Rockies and the Sierra Nevada. They anticipate more storms in the U.S. South and Northeast, and warmer, drier conditions ...
Earth Sciences
Oct 12, 2023
0
5
Everyone loves a good mystery, and astronomers have just uncovered a new one in a nearby supermassive galaxy called M87. Like most galaxies, M87 regularly plays host to a smattering of stellar explosions called novae, each ...
Astronomy
Oct 9, 2023
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