Petro Vrellis wraps a single, 1-2 km long thread, 3000-4000 times across a 200-peg loom
Janaina Mello Landini unravels ropes into patterns that evoke tree roots, river basins and lightning strikes
At Cloudflare HQ there’s a wall of lava lamps that keeps a good bit of the internet secure, here’s how
Can you solve the missing square puzzle?
A simple and soothing video of ‘Fibonacci spiral shavings’ by Paul Sellers
In this excerpt from episode 1 of Carl Sagan’s ‘Cosmos’, he explains how the Greek scholar, Eratosthenes, knew the Earth was curved over 2,200 years ago