We explore the difference between the constant speed of light in a vacuum and its slower group velocity in dense mediums ...

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in ...

A pulse of light sets the tempo in the material. Atoms in a crystalline sheet just a few atoms thick begin to move—not ...

Most people want a simple answer to “What’s a good time?” The honest one: it depends on the distance, your age, and whether ...

One fun personality test that can give you a little bit more insight into who you are as a person is the Cube Test, or Cube ...

Researchers built a computer that performs AI calculations at light speed in a single shot. The breakthrough can help AI ...

After a decade testing PCs, routers, and home networks, I know what causes slow speeds and can help you optimize your internet connection.