Pathway III

ℕNumbers

Primes, wrapping clocks, and the spiral that grows from adding the last two terms.

1. 01PrimesThe atoms of arithmetic. Watch the sieve light every prime.4 min
2. 02Modular clockAddition that wraps. A clock is the integers modulo n.4 min
3. 03Fibonacci spiralEach term is the sum of the two before. The squares tile a spiral toward φ.4 min