Tom Scott

How Knot To Hang A Painting (2019x2)

Ημερομηνία προβολής: Ιαν 14, 2019

You've got a painting and two nails. Can you use both nails to hang the painting so that if either nail is removed, the painting falls? That's the puzzle: in this week's guest video, Jade's going to solve it with maths.