Selected explanations

publisher-preview: Parable of the Polygons

Parable of the Polygons

Vi Hart and Nicky Case

Change one thing

The Water Cycle

The Water Cycle

USGS Water Science School and VizLab

Reveal the connections

video thumbnail: But what is the Fourier Transform? A visual introduction.

Video · 20 min

But what is the Fourier Transform? A visual introduction.

3Blue1Brown / Grant Sanderson

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Entropy Explained, With Sheep

Entropy Explained, With Sheep

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Phases of the Moon

Phases of the Moon

NASA / Bill Dunford

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Video thumbnail: Why It Was Almost Impossible to Make the Blue LED

Video · 34 min

Why It Was Almost Impossible to Make the Blue LED

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publisher-preview: Introduction to the A* Algorithm

Introduction to the A* Algorithm

Amit Patel / Red Blob Games

Compare two possibilities

Half of the world’s habitable land is used for agriculture

Half of the world’s habitable land is used for agriculture

Hannah Ritchie and Max Roser · Our World in Data

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