The high efficiency, light weight and flexibility of the latest solar cell technology means photovoltaics could provide all the power needed for an extended mission to Mars, or even a permanent settlement there, according ...
Space Exploration
Apr 27, 2022
21
429
The importance of "carbon neutrality" is growing more than ever, as climate change caused by global warming threatens even the human right to live. The Republic of Korea has declared "carbon neutrality by 2050" and is exerting ...
Materials Science
Apr 25, 2022
0
5
Hydrogen fuel cells convert hydrogen to electricity with water vapor as the only by-product, making them an attractive green alternative for portable power, particularly for vehicles.
Materials Science
Apr 25, 2022
1
115
Galaxies rarely live alone. Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe.
General Physics
Mar 9, 2022
0
70
Aluminum is a highly reactive metal that can strip oxygen from water molecules to generate hydrogen gas. Its widespread use in products that get wet poses no danger because aluminum instantly reacts with air to acquire a ...
Nanomaterials
Feb 18, 2022
2
779
Astronomers have identified two different cases of "mini-Neptune" planets that are losing their puffy atmospheres and likely transforming into super-Earths. Radiation from the planets' stars is stripping away their atmospheres, ...
Astronomy
Feb 3, 2022
5
878
Roughly 13.8 billion years ago, our universe was born in a massive explosion that gave rise to the first subatomic particles and the laws of physics as we know them. About 370,000 years later, hydrogen had formed, the building ...
Astronomy
Jan 6, 2022
31
196
An innovative approach could turn nanoparticles into simple reservoirs for storing hydrogen. The highly volatile gas is considered a promising energy carrier for the future, which could provide climate-friendly fuels for ...
Materials Science
Dec 27, 2021
10
290
Tiny microbes belching toxic gas helped cause—and prolong—the biggest mass extinction in Earth's history, a new study suggests.
Earth Sciences
Dec 20, 2021
3
763
Hydrogen is one of the most abundant elements in the universe.
Analytical Chemistry
Dec 15, 2021
0
189
