Made by a dad and his child as test pilot. Inspired by Bret Victor's Explorable Explanations.
The explorables
The Secret of the Square Corner
A mystery hiding in a tiled floor. Count it, build it, slide it, pour water on it, and discover for yourself one of the most famous ideas in mathematics.
Play βCan a Wheel Measure Itself?
Roll it, measure it with its own purple stick, then squeeze out the most famous number in the universe, the exact way Archimedes did 2,200 years ago.
Play βHow to Mentally Calculate the Day of the Week for Any Date
Two secrets: a clock of leftovers, and a squad of dates. With them you can name the weekday of any date in history, in your head. John Conway's famous trick, learnable in an afternoon.
Play βMore coming soonβ¦
The test pilot is busy tinkering. New explorables land here as they pass kid-QA.
Soon㪠Don't miss the next one
New explorables take a while to build (the test pilot is thorough). Leave your email and you'll get one short note when the next one ships. Nothing else, ever.