The prototype solar cells on their first ocean outing. (Ma et al., Joule, 2026) Under the ocean, things aren't quite so bright. Much of the Sun's rays bounce right off the ocean's surface, and the ...

Ten meters (32 ft.) beneath the South China Sea, sunlight has already lost much of what makes it useful on land. Red and ...

Dim ocean light could keep sensors running longer and help researchers collect continuous data from hard-to-reach areas.