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How a failed experiment led to Einstein’s first big revolution
How a failed experiment led to Einstein’s first big revolution
The Michelson-Morley experiment of 1887, despite expectations, revealed a null result: no effect. The implications were revolutionary.
Ethan Siegel
Aug 14
Einstein’s big insight that explained Newton’s law of gravity
Einstein’s big insight that explained Newton’s law of gravity
For centuries, Newton’s inverse square law of gravity worked beautifully, but no one knew why. Here’s how Einstein finally explained it.
Ethan Siegel
Aug 13
5 big surprises when comparing the worlds in our Solar System
5 big surprises when comparing the worlds in our Solar System
From size to mass to density and more, each world in our Solar System is unique. When we compare them, the results are truly shocking.
Ethan Siegel
Aug 12
Starts With A Bang podcast #108 — A future particle collider
Starts With A Bang podcast #108 — A future particle collider
Today, the Large Hadron Collider is the most powerful particle physics experiment in history. What would a new, successor collider teach…
Ethan Siegel
Aug 10
Ask Ethan: Can we detect dark matter if it’s truly collisionless?
Ask Ethan: Can we detect dark matter if it’s truly collisionless?
Dark matter’s hallmark is that it gravitates, but shows no sign of interacting under any other force. Does that mean we’ll never detect it?
Ethan Siegel
Aug 9
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