How A Random System Can Actually Be Predictable @veritasium
How A Random System Can Actually Be Predictable  @veritasium
Uploaded June 2026 | Updated September 2026, 2 weeks ago
The balls in a Galton board fall down randomly. Any time they come to a junction they can take any number of paths and it's almost impossible to accurately predict every ball's trajectory.

However, the system as a whole is predictable.

How can this be? How can random systems actually be predictable?
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How A Random System Can Actually Be Predictable

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