Oxygen levels were only 0.1 percent of today's levels for roughly billion years before rise of animals
(Phys.org) —Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
(Phys.org) —Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
Earth Sciences
Oct 31, 2014
97
1
Researchers have found that a solid oxide protective coating for metals can, when applied in sufficiently thin layers, deform as if it were a liquid, filling any cracks and gaps as they form.
Nanomaterials
Apr 4, 2018
0
287
As Xi'an Jiaotong-Liverpool University researchers completed their research on colored architectural concrete, they found a surprising result—green pigmented cement had impurities that produced porous, poor quality concrete. ...
Materials Science
Jul 23, 2021
0
12
Solar-powered synthesis gas could recycle carbon dioxide into fuels and useful chemicals, an international team of researchers has shown.
Materials Science
Jul 6, 2022
0
107
Researchers from the London Centre for Nanotechnology have made new compact, high-value resistors for nanoscale quantum circuits. The resistors could speed the development of quantum devices for computing and fundamental ...
Quantum Physics
Dec 9, 2014
0
0
Hydrogen produced from renewable energy sources can be used as fuels that do not contribute to CO2 emissions, and therefore is emerging as an important future power source.
Analytical Chemistry
Apr 17, 2023
0
77
(Phys.org) —The discoloration of some pigments used in impressionist paintings has been observed since the 19th century. Belgian researchers have now investigated how the colors of chrome yellow pigments change on both ...
Analytical Chemistry
Oct 8, 2013
0
0
Cutting intricate patterns as small as several billionths of a meter deep and wide, the focused ion beam (FIB) is an essential tool for deconstructing and imaging tiny industrial parts to ensure they were fabricated correctly. ...
Materials Science
Aug 23, 2022
0
108
(Phys.org)—An international collaboration including researchers from Lawrence Livermore National Laboratory has discovered that the Earth's core formed under more oxidizing condition's than previously proposed.
Earth Sciences
Jan 10, 2013
1
0
Memory chips are among the most basic components in computers. The random access memory is where processors temporarily store their data, which is a crucial function. Researchers from Dresden and Basel have now managed to ...
General Physics
Jan 3, 2017
2
39