Observations of the cosmic microwave background, the light released when the universe was 380,000 years old, show that the speed of light hasn't measurably changed in over 13.8 billion years. In ...

Space is always ripe for theoretical thought exercises, such as the intriguing question, “What would happen if humans traveled at the speed of light?” Knewz.com has learned that humans would probably ...

That’s why we enjoyed [Michel van Biezen’s] two part post on how Michelson computed the speed of light in 1927. You can see the videos below. Michelson wasn’t the first, of course.

Assuming that the needle is made of iron, weighs just one gram and is travelling at 99.9999% of the speed of light, Kobi ...

James is a published author with four pop-history and science books to his name. He specializes in history, strange science, ...

The researchers applied an electrical pulse to transfer this spin information from electrons to photons, the particles that make up light, allowing the information to be carried great distances at ...

Hall (Thomas)Tony Henden (G2)Stuart Mansell (G1)Old-Nick (Narrator) Nick Peterson When it travels at the speed of light, the power of the sun's rays can play tricks with the eyes and brain and ...

“Leave light speed to Han Solo,” “get there safely you will,” are just two signs seen around Central New York on Saturday.

Light travels incredibly quickly. But just how fast is it? Microwaves and light waves move at the same speed, so if you have a microwave oven, you can work out the speed of light yourself.