The photoelectric effect refers to what happens when electrons are emitted from a material that has absorbed electromagnetic radiation. Physicist Albert Einstein was the first to describe the effect ...

In 1905, Albert Einstein showed that the photoelectric effect—the ability of metals to produce an electric current when exposed to light—could be explained if light is quantum, traveling in discrete ...

Solar panels use a scientific concept called the photovoltaic effect to turn sunlight into electricity. Here's a deep dive into how it all works. You've probably wondered what kind of magic in solar ...