Randomness Lab
A little chance.
A lot to discover.
A stubborn 7. A suspicious coin. A book with a million digits. Come for a little story, stay to try something.
Everyday randomness
Why random numbers repeat
When 7 shows up again, it’s tempting to blame the button. Let’s give it a fair hearing.
Come on inPractical guide
How to pick raffle winners without repeats
Three prizes, a bowl of names, and one small detail to sort out before the drumroll.
Come on inTry an experiment
Can you spot a random sequence?
One row comes from coin flips. One follows a rule. Which one would you trust?
Come on inA short history
The book containing a million random digits
The wonderfully odd book that put a million random digits on the shelf.
Come on inYou don’t need to be a numbers person.
A little curiosity is plenty. Each story has something to play with along the way. And if you came here to make a choice, the number generator is always one tap away.