Can citric acid be a green alternative to protecting steel?

Nitric acid is currently the most widely used passivating solution to protect stainless steel from corrosion in industrial applications. But nitric acid is dangerous in multiple environmental, safety, and processes, due to ...

As fins evolve to help fish swim, so does the nervous system

The sensory system in fish fins evolves in parallel to fin shape and mechanics, and is specifically tuned to work with the fish's swimming behavior, according to new research from the University of Chicago. The researchers ...

Scientists see chemical short-range order in medium-entropy alloy

Chinese scientists have made direct observations of face-centered cubic VCoNi (medium)-entropy alloys (MEA) and for the first time proposed a convincing identification of subnanoscale chemical short-range order (CSRO). This ...

Earth's inner core may be oxygen-rich

Oxygen is the key substance for life and one of the most abundant elements in the Earth. However, it's still unknown whether oxygen is present (and in which form it may exist) in the inner core, which is composed of almost ...

Rapid cooling leads to stronger alloys

A team of researchers from the University of Rostock in Germany has developed a new way to rapidly produce high strength metallic alloys, at a lower cost using less energy than before. It's expected that this breakthrough ...

Hard carbon nanofiber aerogel becomes superelastic

Conductive and compressible carbon aerogels are useful in a variety of applications. In recent decades, carbon aerogels have been widely explored by using graphitic carbons and soft carbons, which show advantages in superelasticity. ...

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