Learn How to Think Like Einstein

Albert Einstein's famous thought experiments led to groundbreaking ideas.

Albert Einstein during a lecture in Vienna in 1921. Photo by F. Schmutzer.

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Scientists Weigh a White Dwarf Star, Prove Einstein Right

Astronomers make the first direct observation of a phenomenon predicted by Albert Einstein's theory of general relativity.

White Dwarfs. Image credit: NASA and H. Richer (University of British Columbia)

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1 Number Will Soon Reveal If the Speed of Light Used to Be Faster

Scientists produce a value for the cosmic microwave background that will definitely prove or disprove that the speed of light used to be higher.