RPS-25 with 15.5 octillion permutations and 300 outcomes.

HE SED

and how our perception of the universe relies on the interaction of two fundamental properties of the universe

variability (randomness, chaos, disorder) and simplicity (logic, patterns, schemas, archetypes)

and that was the first that popped into my mind when i was reading about the random generator being the key to original thought [philosophistry.com]

I SED

it would be interesting if one could devise a test for randomness

there are some crude ones

but to see if a human could be more random than a RNG