Researchers from the Helmholtz-Zentrum Hereon, together with the Technical University of Hamburg and Aalborg University, have developed a new selective emitter based on iridium for thermophotovoltaics. Iridium was thus used ...
Analytical Chemistry
Sep 11, 2023
0
215
Astronomers from the University of Maryland and the Michigan Technological University, have inspected a mysterious ultra-high energy gamma-ray source known as LHAASO J2108+5157. Results of the study, published August 31 on ...
A Nigerian environmental activist declared Wednesday at the first African Climate Summit that carbon markets are "bogus solutions," providing a sharp reminder that not all of Africa's 1.3 billion people support richer countries ...
Environment
Sep 6, 2023
5
95
The conversion of atmospheric carbon dioxide (CO2), a greenhouse gas, to useful resources such as carbon monoxide, formic acid, and methanol and their byproducts is considered a promising route to mitigating global warming ...
Materials Science
Sep 5, 2023
0
19
Many of us germinated cress seeds on a bit of wet tissue at primary school, giving us a first introduction to edible microgreens. Recent interest in more diverse ways of getting flavor and nutrition into the vegetable components ...
Plants & Animals
Sep 5, 2023
0
3
Hydrogen is considered a clean and efficient energy carrier that will have broad applications in the future—as a fuel for cars, buses, for houses heating, or as an energy storage. However, it is currently mainly produced ...
Biotechnology
Sep 5, 2023
0
24
Supermassive black holes (SMBHs)—black holes with masses exceeding a million times that of the sun—are known to prevail in the universe today. However, it is not clear yet when, where, and how they formed during the 13.8 ...
Astronomy
Sep 1, 2023
0
2644
If global warming reaches or exceeds two degrees Celsius by 2100, University of Western Ontario's Joshua Pearce says it is likely that mainly richer humans will be responsible for the death of roughly one billion mainly poorer ...
Environment
Aug 28, 2023
46
1125
The whaling industry helped drive industrialization in the 19th century, with whale oil used to light lamps and lubricate machinery. Even after petroleum replaced whale oil as an energy source in the U.S., whaling continued ...
Other
Aug 14, 2023
0
1
Despite efforts across the globe to move toward a circular plastics economy, more than three quarters of the 400 metric tons of plastic produced worldwide each year still ends up as waste.
Materials Science
Aug 12, 2023
1
94
