Robot vacuum cleaners have become a lot more sophisticated at detecting and avoiding obstacles, not to mention following preset paths and deviating from them where necessary. It's a greater challenge, ...

We may receive a commission on purchases made from links. Love making your own fridge magnets? Perhaps you have a collection of cute magnetic photo frames sitting in a drawer. Short of ripping your ...

Creating strong permanent magnets without using so-called rare earth elements is an ongoing topic of research. An interesting contestant here are iron nitride magnets (α”-Fe 16 N 2), which have the ...