A SnackNotes find
Website- Introduces the *hexaflexagon*, with 6 equilateral triangles per face, and the *pinch flex*, a way of folding a flexagon to reveal previously hidden faces


The International Code of Signals is a system of signals and codes designed to communicate important safety and navigational messages when speaking is difficult (because of languag

A peek behind the curtain at how an animated movie actually gets made, step by step.

Sudoku's playful cousin — sneaky math practice kids actually ask for.


Liquid-fueled rocket engines operate by flowing fuel and oxidizer into a combustion chamber at high pressure in order to eject mass out of the rocket nozzle at high velocities. Whi

CircuitMess projects are more than assembling and coding robots. They're about igniting a passion for STEM and building essential problem-solving skills.

A gray bipedal humanoid wearing a Unitree shirt stands posed with one arm raised.

Two people's hands hold a phone, using the OctoStudio app to code a project featuring an octopus
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