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# randomness

## Latest Articles

### Mathematicians Calculate How Randomness Creeps In

Mathematicians have figured out exactly how many moves it takes to randomize a 15 puzzle.

### How Randomness Can Arise From Determinism

Playing with a simple bean machine illustrates how deterministic laws can produce probabilistic, random-seeming behavior.

### Solution: ‘Perfect Randomness’

Is nature inherently random or is perfect randomness just an illusion based on our ignorance?

### The Puzzling Search for Perfect Randomness

Does objective, perfect randomness exist, or is randomness merely a product of our ignorance?

### How Randomness Can Make Math Easier

Randomness would seem to make a mathematical statement harder to prove. In fact, it often does the opposite.

### Random Surfaces Hide an Intricate Order

Mathematicians have proved that a random process applied to a random surface will yield consistent patterns.

### How to Turn a Quantum Computer Into the Ultimate Randomness Generator

Pure, verifiable randomness is hard to come by. Two proposals show how to make quantum computers into randomness factories.

### Proof Finds That All Change Is a Mix of Order and Randomness

All descriptions of change are a unique blend of chance and determinism, according to the sweeping mathematical proof of the “weak Pinsker conjecture.”

### Solution: ‘A Drunkard’s Walk in Manhattan’

City blocks help illustrate why walking randomly tends to take you away from your starting point.