Scientists find upper limit for the speed of sound

A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure Physics in Troitsk has discovered the fastest possible speed of sound.

How to remove unwanted components from the cell nucleus

The organization of cells into specific compartments is critical for their function. For instance, by separating the nucleus from the cytoplasm, the nuclear envelope prevents premature translation of immature RNAs.

France's global nuclear fusion device a puzzle of huge parts

A hugely ambitious project to replicate the energy of the sun is entering a critical phase, as scientists and technicians in southern France begin assembling giant parts of a nuclear fusion device, an international experiment ...

Hotel Ruthenium: how hydrogen checks in but never leaves

How does hydrogen form blisters in ruthenium mirrors for extreme UV (EUV) lithography machines? An M2i research project by Chidozie Onwudinanti and colleagues at DIFFER, Eindhoven University of Technology and University of ...

Radiation-detecting plastic gets ingredient to stay in the clear

Researchers at Sandia National Laboratories have identified a straightforward change to the formula for radiation-detecting plastic. The change prevents "fogging," which reduces the lifetime of the plastics used to detect ...

Tying up molecules as easily as laces

Although knots can be a nuisance, they're also very useful when it comes to tying up your laces or when you go sailing. In maths, there are no less than 6 billion different potential knots, but what about knots in chemistry? ...

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