The Fourth Dimension for Kids: How to Picture a 4D Shape

The story of Flatland and the fourth dimension for kids: Edwin Abbott Abbott's 1884 book about a square who lives in a flat world and meets a sphere.
• What a sphere looks like when it passes through a flat world
• How the sphere lifts the square out of Flatland to show him up
• Why the shadow of a four-dimensional cube looks like a cube inside a cube
• Quiz questions to answer along the way
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