Magic plus science creates an Invisibility cloak for Harry Potter.

The small circles ARE moving around the larger one. But which way? #illusion

I'm a huge fan of geometric vanishes. This is a cute reworking of Sam Loyd's 'Get off the earth' puzzle. I made it to use in my school maths magic shows.

Tensegrity tower. It appears to be defying gravity.

Colour illusion. I only used red, blue and yellow lines to make this but can you see any more colours? Viewed best from a distance or zoomed out. Animation based on @akiyoshikitaoka.bsky.social research into colour illusions.