general relativity

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View a demonstration to understand Albert Einstein's general theory of relativity

experimental evidence for general relativity

How are gravitational waves applied in science and in everyday life?

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Albert Einstein

100 Years of General Relativity

Albert Einstein

How Albert Einstein Developed the Theory of General Relativity

Albert Einstein in Washington, D.C. c. 1921-1923. Physicist

The Solar Eclipse That Made Albert Einstein a Science Celebrity

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)

How Fast Is the Universe Expanding?

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Casino. Gambling. Slots. Slot machine. Luck. Rich. Neon. Hit the Jackpot neon sign lights up casino window.

Brain Games: 8 Philosophical Puzzles and Paradoxes

Thanksgiving Celebration Traditional Dinner Setting Food Concept

Why Is Thanksgiving in the U.S. Celebrated on a Thursday?

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

NBA Lakers Celtics Finals Kevin Garnett shooting.

10 Great Sports Rivalries

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

general relativity: Media

physics

Videos

View a demonstration to understand Albert Einstein's general theory of relativity

View a demonstration to understand Albert Einstein's general theory of relativity

Explore general relativity.

Video: © World Science Festival (A Britannica Publishing Partner)

How are gravitational waves applied in science and in everyday life?

How are gravitational waves applied in science and in everyday life?

Learn about the significance of gravitational waves in science and in everyday life.

Video: Courtesy of Northwestern University (A Britannica Publishing Partner)

Images

experimental evidence for general relativity

experimental evidence for general relativity

In 1919 observation of a solar eclipse confirmed Einstein's prediction that light...

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