Albert Einstein's humorous quote offers a profound lesson for children: never stop questioning or learning. The universe's ...
Do you know what connects Edwin Hubble’s theory for an expanding universe and Albert Einstein’s cosmological constant? The ...
Our understanding of the universe may be completely wrong.
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...
In July 1930, Rabindranath Tagore visited Albert Einstein in Caputh, near Berlin, at his summerhouse. The meeting of the two ...
In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...
The faster you move, the stranger time becomes. By imagining how light travels to two people moving at different speeds, Einstein showed that time isn’t absolute. His thought experiment revealed that ...
To understand gravity, Einstein had to rethink space and time as a single connected fabric. He showed that mass bends this fabric, guiding how everything moves. NOVA is available to stream on pbs.org ...
Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...