Trial by fire for the Ariane 6 upper stage
Validation testing continues for ESA's all-new Ariane 6 launch vehicle, with firing of its two upper stage engines to simulate the way they will have to operate together during a flight.
Validation testing continues for ESA's all-new Ariane 6 launch vehicle, with firing of its two upper stage engines to simulate the way they will have to operate together during a flight.
Space Exploration
Sep 4, 2023
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Researchers from the Interface Science Department at the Fritz Haber Institute of the Max Planck Society conducted experiments using atomically defined model pre-catalysts to unveil intricate details of the electrocatalytic ...
Materials Science
Sep 1, 2023
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Hydrogen spillover is exactly what it sounds like. Small metal nanoparticles anchored on a thermally stable oxide, like silica, comprise a major class of catalysts, which are substances used to accelerate chemical reactions ...
Materials Science
Sep 1, 2023
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The quest for hydrogen as a clean and sustainable energy source has gained momentum. To produce green hydrogen, water must be split into oxygen and hydrogen. This water splitting process is facilitated by electrocatalysts ...
Analytical Chemistry
Aug 31, 2023
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The diminishing conventional energy resources based on fossil fuels and their related environmental consequences have drawn attention around the world toward the development of renewable energy resources. These renewable ...
Propylene oxide (PO) is a high value-added chemical intermediate. In comparison to conventional routes to produce PO, direct epoxidation of propylene with H2 and O2 is a green, efficient, and sustainable approach. However, ...
Analytical Chemistry
Aug 25, 2023
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Lanthanide-containing complexes are important compounds for sophisticated nuclear-fuel processing and medical imaging. Moreover, they often have interesting symmetric crystal structures and associated dynamics that render ...
Analytical Chemistry
Aug 23, 2023
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In order to enhance the accessibility of hydrogen-powered vehicles and establish hydrogen as a viable energy source, it's imperative to reduce the cost of hydrogen production, thereby achieving economic feasibility. To achieve ...
Nanomaterials
Aug 22, 2023
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The world needs greener ways to make chemicals. In a new study, University of Wisconsin–Madison researchers demonstrate one potential path toward this goal by adapting hydrogen fuel cell technologies. These technologies ...
Biochemistry
Aug 21, 2023
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After-ripening, an extension of seed maturation is pivotal for seed dormancy release, which has implications for germination and subsequent seedling robustness. The efficacy of this process varies with species traits, storage ...
Molecular & Computational biology
Aug 21, 2023
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