Cations can be identified with flame tests or precipitate tests using sodium hydroxide and ammonia solutions. Anions (halide, sulfate, and carbonate ions) can be identified using precipitate tests or ...

What if a surface could instantly switch from sticky to slippery at the push of a button? By using electricity to control how ions and water structure at the solid liquid interface of self-assembled ...

The machine in this photo is the experimental apparatus I work with every day, at the European Laboratory for Nonlinear Spectroscopy in Florence. Among several complex devices, there is a vacuum ...