Quantum & RelativityQuantum Mechanics
The Double-Slit Surprise
Single particles build a pattern only waves should make
Fire tiny particles one at a time through two slits. Each lands as a dot, yet together they paint something no particle should.
You'll find out
- Why some spots stay almost empty
- What changes when the path is recorded
- How big a thing can pull it off
Why it matters
Physics World readers voted it the most beautiful experiment. Feynman said it holds the heart of quantum mechanics.
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