materials science

How U alumni helped invent the catalytic converter

The catalytic converter, which removes toxic gases from car exhaust, owes its invention partly to U alumni working at Corning Incorporated in the 1970s.


Gerald Stringfellow, an older man with white hair, and white goatee and wire-rimmed glasses, sits at his desk, holding a model of some kind of molecule — sticks attached to yellow and white balls arranged to form a three-dimensional grid thing.

Gerald Stringfellow’s bright idea

The legacy of the U’s mastermind behind LED-based technology was honored in a video from the National Academy of Inventors.


Going super small to get super strong metals

Experiments challenge long-held assumptions about the strength of metals.