In 1905, Albert Einstein published a paper in which he proposed that all observers will measure the same velocity for light, regardless of any motion of the observer or the source of light.
Articles with Relativity
Photo by Christopher Burns on Unsplash
The nebula surrounding the Crab Pulsar • Optical: NASA/HST/ASU/J. Hester et al. X-Ray: NASA/CXC/ASU/J. Hester et al.
It took a gift for fancy to come up with relativity
Einstein said: “The most incomprehensible thing about the world is that it is comprehensible.”
Astronaut Mark C. Lee floating 130 miles above the Earth • NASA
Einstein just said ‘No’
Most of us have seen television images of astronauts floating in space.
Photo by Sergiu Bacioiu (CC BY 2.0)
The men who paved the way for the theory of relativity
Ask the man in the street what is the greatest scientific discovery of the twentieth century and he will as likely as not reply, “the theory of relativity.” Many scientists will agree. Relativity underlies our present understanding of atoms and stars. It is the basis for our ideas about the origin and evolution of the universe. It is the very warp of the fabric of physics, the threads on which all else is woven.