News Materials Science

Tiny detector finds hydrogen better

By Jessica Gorman

- More than 2 years ago

Researchers have made a miniature device that can quickly detect hydrogen leaks.

Atomic force microscopy reveals a break in a palladium wire (left) that closes when the wire is exposed to hydrogen (right). Adapted from Science

Such a device might be useful in future cars powered by fuel cells since hydrogen

concentrations above a few percent can be explosive.