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Mathematics & other curiosities

Curiosity is
the new ingenuity.

When answers are abundant, the creative edge is knowing what to ask—and wanting to discover more.

What is the area of the shaded square?

The tilted square a b ? a2 b2

Four congruent right triangles. Two marked lengths.

Ways to explore

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Problem Solution included

Cutting a cube

How many straight cuts does it take to separate a cube into 27 unit cubes, even if you can rearrange the pieces?

geometrypuzzles
Exploration

From planar graphs to the five Platonic solids

Count vertices, edges, and faces; add a point at infinity; then discover why there are exactly five regular convex polyhedra.

geometrygraph theorytopology

A little time to play

Puzzles, just for the fun of it.

Pick a game and settle in. Slide a block, fit a tile, or find a path across Hex.

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Everyday productivity

Gadgets for work and study.

Timers, ambient sound, and practical tools for everyday tasks.

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A window into research

All research

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