Physicists have spent decades building colossal machines to hurl subatomic particles to near light speed, but the newest frontier in accelerator technology is smaller than a fingernail. By etching ...

This sample of niobium has been treated in a process that is typical for preparing particle accelerator components. Tests have revealed how adding oxygen to such components makes them more efficient.

Carsten P Welsch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...