Ok, as I understand it we have no way to determine the speed which we are moving at in an absolute sense.<BR><BR>We can say "We are moving 20 miles per hour in the car relative to the road" or "The ...

The speed of light in a vacuum, clocking in at a showy 299,792,458 meters per second (98,3571,056 feet per second), plays a pretty darn important role in the laws of physics as we understand them – so ...

By Mackenzie Devereux The Standard Model, depicting the fundamental building blocks of the universe, including top quarks. Courtesy of Cush via Wikimedia Commons Sitong An, a physicist at Carnegie ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far ...

Michael Lam does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Note: Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. (THE CONVERSATION) – Why does time change ...