Ozone plays a vital role in Earth's climate system. In the stratosphere, which begins about six miles (9.7 kilometers) off the ground, ozone protects the planet from harmful ultraviolet radiation. Lower in the atmosphere, ...
Earth Sciences
Aug 10, 2021
0
5
If polymers are specifically made to form and deposit on the surfaces surrounding the plasma, they can be coated in a targeted manner. Thanks to this so-called plasma enhanced chemical vapor deposition, or PECVD for short, ...
Polymers
Aug 5, 2021
2
38
Research published in the Proceedings of the National Academy of Sciences describes a new type of liquid in thin films, which forms a high-density glass. Results generated in this study, conducted by researchers in Penn's ...
Condensed Matter
Jul 26, 2021
0
1375
A miniature device that scans deep below ground is being developed to identify ice deposits and hollow lava tubes on the moon for possible human settlement.
Space Exploration
Jul 23, 2021
2
7
Why are gold deposits found at all? Gold is famously unreactive, and there seems to be little reason why gold should be concentrated, rather than uniformly scattered throughout the Earth's crust. Now, an international group ...
Nanomaterials
Jul 5, 2021
0
27
Scientific studies describing the most basic processes often have the greatest impact in the long run. A new work by Rice University engineers could be one such, and it's a gas, gas, gas for nanomaterials.
Nanomaterials
Jun 14, 2021
0
12
For decades scientists have been puzzled by the formation of rare hyper-enriched gold deposits in places like Ballarat in Australia, Serra Palada in Brazil, and Red Lake in Ontario. While such deposits typically form over ...
Earth Sciences
May 21, 2021
4
28
Since the Industrial Revolution, human activities have increased the emission of nitrogen oxides (NOx). NOx can promote the generation of ozone and particle matters, and increase nitrogen deposition in the atmosphere.
Earth Sciences
May 20, 2021
0
6
The Paleozoic era culminated 251.9 million years ago in the most severe mass extinction recorded in the geologic record. Known as the "great dying," this event saw the loss of up to 96% of all marine species and around 70% ...
Earth Sciences
May 19, 2021
0
12
Modern and emerging applications in various fields have found creative uses for organic thin films (TFs); some prominent examples include sensors, photovoltaic systems, transistors, and optoelectronics. However, the methods ...
Materials Science
May 18, 2021
0
29
