When vibrations increase on cooling: Anti-freezing observed

An international team has observed an amazing phenomenon in a nickel oxide material during cooling: Instead of freezing, certain fluctuations actually increase as the temperature drops. Nickel oxide is a model system that ...

First high-altitude drop test success for ExoMars parachute

After several weeks of bad weather and strong winds, the latest pair of high-altitude drop tests of the ExoMars parachutes took place in Kiruna, Sweden. The 15 m-wide first stage main parachute performed flawlessly at supersonic ...

Shuffling bubbles reveal how liquid foams evolve

Foams are found everywhere, in soaps and detergents, meringues, beer foam, cosmetics and insulation for clothing and building. The application of foams tends to take advantage of their unique structure, which is why understanding ...

Evolution of pine needles helps trees cope with rainfall impact

If you have ever hiked in the woods and been surrounded by the sight and smell of pine trees, you may have taken a closer look at pine needles and wondered how their shape, material properties, and surface wettability are ...

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