Scientists obtain a hexagonal modification of silicon

A team of scientists from Lobachevsky University (Nizhny Novgorod, Russia) has obtained a material with a new structure for applications in next-generation optoelectronics and photonics. This material is one of the hexagonal ...

Tiny organisms with massive impact

Diatoms are a very common group of algae found not only in freshwater streams, rivers and lakes, but also in marine waters. These unicellular organisms are particularly prevalent in the waters of the Southern Ocean around ...

Scrutinising the tip of molecular probes

Studies of molecules confined to nano- or micropores are of considerable interest to physicists. That's because they can manipulate or stabilise molecules in unstable states or obtain new materials with special properties. ...

Flow phenomena on solid surfaces

Physicists from Saarland University and the ESPCI in Paris have shown how liquids on solid surfaces can be made to slide over the surface a bit like a bobsleigh on ice. The key is to apply a coating at the boundary between ...

Without the Montreal Protocol, more intense tropical cyclones

If the Montreal Protocol had been rejected and the risks of ozone depleting substances had been ignored by the world, we would be facing even more intense tropical cyclones in the near future, according to a new study in ...

Hardened steels for more efficient engines

Scientists of Karlsruhe Institute of Technology (KIT) are working on the development of a new process for hardening steel: With the help of methylamine, they enrich low-alloy steels with carbon and nitrogen. Low-pressure ...

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