science
What Are Gravitational Waves and How Are They Detected?
š” The Answer
- Gravitational waves are ripples in spacetime caused by violent cosmic events.
- They were first directly observed in 2015 by the LIGO collaboration.
- These waves travel at the speed of light and stretch and squeeze space.
- Detection involves measuring minuscule changes in laser beam distances kilometers apart.
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On This Day ā July 293 events ā
1937 ā Tongzhou mutiny: In Tongzhou, China, the East Hebei Army attacks Japanese troops
1945 ā The BBC Light Programme radio station is launched for mainstream light entertain
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