Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected 32 new bright pulsating DA white dwarfs of the ZZ Ceti subclass. The finding was reported in a research paper published July 9 on the pre-print ...
Despite strong regulations and robust international safeguards, authorities routinely interdict nuclear materials outside of regulatory control. Researchers at the Department of Energy's Oak Ridge National Laboratory are ...
Materials Science
Jun 27, 2024
0
1
Even the most optimistic projections for the rapid build-out of solar, wind, and other low-carbon resources acknowledge that coal, natural gas, and other fossil fuels will dominate the world's energy mix for decades to come. ...
Earth Sciences
May 15, 2024
0
1
In Europe, increasing efforts on climate change mitigation, a sudden focus on energy independence after Russia's invasion of Ukraine, and reported breakthroughs in nuclear fusion have sparked renewed interest in the potential ...
Environment
Mar 19, 2024
0
3
Imagine the embers of a campfire, slowly dimming over time. That is the fate most stars in the universe face. After their nuclear fuel is spent, 98 percent of stars—including our sun—will eventually become white dwarfs. ...
Astronomy
Mar 19, 2024
0
6
Using ground-based telescopes, an international team of astronomers has observed a binary system containing at least one white dwarf, designated J0526+5934. The observational campaign has revealed that the binary is composed ...
Astronomers have conducted spectroscopic and photometric observations of a peculiar pulsating variable white dwarf known as TMTS J17184064+2524314. Results of the observational campaign, published January 26 on the preprint ...
As negotiators stagger towards their beds in Dubai and another year's climate talks come to a close, it's time to take stock. Did COP28 achieve the big breakthrough the world needs on climate change?
Environment
Dec 13, 2023
15
2
Nearly 120 nations pledged to triple the world's renewable energy within seven years at UN climate talks Saturday as the United States pushed to crank up nuclear capacity and slash methane emissions.
Environment
Dec 3, 2023
4
12
More than 20 nations including the United States called for a tripling of nuclear energy to drive down emissions on Saturday as world leaders assembled for a second day at UN climate talks in Dubai.
Environment
Dec 2, 2023
24
62
