Inventions

More than $1 million in prizes for coronavirus solutions
AI device helps wheelchair users control their world
This adjustable heart valve would grow as a child ages
“Electronic nose” can detect a cancer precursor on patients’ breath
MIT unveils simulation to help stop an asteroid impact
Smart cane gives the blind freedom to explore
The tech that’s revolutionizing archeology with Josh Gates
Closed caption glasses: A new way to watch theater
Removing water from underwater photography
Powering the most remote areas on earth