Guides
Plain-English explainers written and reviewed by the Random Number Generator team. No jargon, no filler.
How computers fake randomness (and when they don’t)
Computers are deterministic machines, yet they hand out random numbers all day. The difference between pseudo-random and the real thing.
5 min read · Reviewed July 2026
How to run a giveaway drawing nobody can call rigged
Fairness is half the job; being seen to be fair is the other half. A simple process for picking winners that survives angry losers.
5 min read · Reviewed July 2026
Dice math: why 7 rules the table
Two dice aren’t twice one die — they’re a bell curve. The probability basics behind board games, craps, and your d20.
5 min read · Reviewed July 2026
When bad randomness made history
A draft lottery that wasn’t shuffled, a lottery scammed from the inside, and poker sites cracked by a clock. What broken randomness costs.
5 min read · Reviewed July 2026
Flip a coin, then check your gut
Randomness as a decision tool: the coin-flip trick for revealing preferences, when chance beats deliberation, and a famous study on flipped life choices.
4 min read · Reviewed July 2026