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Brownian motion in gases is the proof of particles too small to see.
The random motion of the large particle can only be explained by smaller particles hitting it. |
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What is Brownian motion? Smoke cells and microscopes if we have them.
http://labs.minutelabs.io/Brownian-Motion/
Atomscope visual demo, but shows smaller particles.
Throw a ball to a student.
Why can you catch a ball? Because the motion is predictable. Is the large particle motion predictable?...
Use dice to model Brownian motion |
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