This can become a problem; if the process is not tightly controlled, the etching reactions can extend ... Compounds with metal cations (positively charged species) have traditionally used ...

A PhD student made an unexpected discovery when observing spiral patterns, like microscopic galaxies, on a germanium chip.

It’s been said that with enough soap, one could blow up just about anything. A more modern interpretation of this thought is that with enough knowledge of chemistry, anything is possible.