Ripples in spacetime
Chapter 1
Einstein's wild prediction
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Chapter 2
The ultimate measuring sticks
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Chapter 3
The day the universe trembled
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Chapter 4
The future of wave hunting
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YOUR GOAL
Master of Ripples in spacetime
Ch 1 · Einstein's wild prediction
teacher Spacetime is waving... (oh-oh, waving!) / We caught the ripple of a black hole shaking! (caught the wave!)
Fun Fact
Einstein's doubt: Albert Einstein actually tried to retract his paper on gravitational waves in 1936, mistakenly believing they were a mathematical illusion before another physicist corrected his math.
Glossary
gravitational wave (noun)
A fluctuation in the curvature of spacetime that propagates as a wave at the speed of light. Albert Einstein mathematically proposed this phenomenon in 1916 through his theory of general relativity.
A fluctuation in the curvature of spacetime that propagates as a wave at the speed of light. Albert Einstein mathematically proposed this phenomenon in 1916 through his theory of general relativity.
Quiz
What is the name of the four-dimensional fabric that combines space and time in Einstein's theory?
Quiz
Which celestial objects did Hulse and Taylor observe in 1974 to indirectly prove gravitational waves exist?
Quiz
What Nobel Prize-winning discovery in 1974 provided the first indirect evidence of gravitational waves?