Solar panels have a way of sounding futuristic, until you realise they’re essentially doing something very old-fashioned: turning daylight into usable power. For homeowners, the appeal is simple. A ...

To make these solar panels, Indian companies need PV cells—which are the small parts that convert sunlight into electricity. Since India doesn’t yet make enough of these cells on its own, it is ...

Perovskite solar cells shouldn’t work as well as they do—but they do. Scientists have now discovered that defects inside the material actually help, creating networks that separate and guide electric ...