Owing to the wave nature of light there are many ways that such different waves can interact with each other, but also with materials. Everyone knows about reflecting light with a mirror, which is a ...

Here’s what you’ll learn when you read this story: For more than 50 years, scientists theorized that an electromagnetic wave could be reflected temporally—not just spatially. Scientists have been ...

The Federal Communications Commission is reviewing a proposal from Reflect Orbital, a startup that wants to place mirror-equipped satellites in orbit to bounce sunlight back to Earth after dark. The ...