The speed of light is one of the most fundamental constants in physics and an enduring source of fascination for scientists and curious minds alike. At approximately 299,792 kilometres per second in a ...
Scientists captured the first images of the Terrell-Penrose effect, showing objects near light speed appear rotated rather than compressed in photos.
Are you fast? Can you beat a friend in a race? How about an olympic sprinter? How about a beam of light? Find out how fast light is, how far a light year is, and learn how close our nearest exoplanet ...