Henry Bessemer's seasickness-proof vessel shows how even great inventors sometimes become fixated on crackpot ideas.

From crumbling steel to personal artifacts, each item tells a story — and one PEOPLE reporter recently got an up close and ...

Yao can adjust pore size and the rate at which he injects the CO 2 gas. A camera takes a picture every 30 seconds during the six-hour duration of each experiment. The results from the laboratory ...