The idea that the universe is expanding dates from almost a century ago. It was first put forward by Belgian cosmologist Georges Lemaître (1894–1966) in 1927 and confirmed observationally by American astronomer Edwin Hubble ...
General Physics
Apr 15, 2024
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612
Sodium-ion batteries (SIBs) are considered a promising energy storage system due to their superior safety properties, low price, and plentiful sodium supplies, while the development of electrode materials plays a critical ...
Analytical Chemistry
Mar 20, 2024
0
1
Germany can probably only meet its demand for climate-friendly hydrogen by imports, for example, from South America or Australia. For such long-distance transport, hydrogen can be converted into ammonia.
Analytical Chemistry
Mar 13, 2024
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6
Diamond is known for its outstanding thermal conductivity. This makes the material ideal for cooling electronic components with high power densities, such as those used in processors, semiconductor lasers or electric vehicles.
Nanomaterials
Mar 2, 2024
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31
With the increase in global energy demand and environmental pollution, the development of sustainable energy to reduce the consumption of fossil fuels (such as oil, natural gas, and coal) has become the key to achieving sustainable ...
Analytical Chemistry
Feb 26, 2024
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10
Neutron stars in the universe, ultracold atomic gases in the laboratory, and the quark–gluon plasma created in collisions of atomic nuclei at the Large Hadron Collider (LHC): they may seem totally unrelated but, surprisingly ...
General Physics
Feb 16, 2024
0
290
Hydrogen is widely recognized as a promising clean energy source, primarily due to its high energy density and the absence of carbon emissions during its utilization. This characteristic makes hydrogen an ideal candidate ...
Analytical Chemistry
Feb 2, 2024
0
48
Many electric vehicles are powered by batteries that contain cobalt—a metal that carries high financial, environmental, and social costs.
Materials Science
Jan 20, 2024
11
296
Over ten years ago, the Dark Energy Survey (DES) began mapping the universe to find evidence that could help us understand the nature of the mysterious phenomenon known as dark energy. I'm one of more than 100 contributing ...
Astronomy
Jan 9, 2024
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43
Giant-impact driven redox processes in the atmosphere and magma ocean may have played crucial roles during the evolution of the Earth. However, the absence of rock records from the time or era makes it challenging to understand ...
