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Five Ways to Lift a Piano
15 min

Half a String
16 frågor · 12 min

The Number That Wouldn't Share — What is a prime number, and why can't you split it into equal rows?
11 min

Who Moved the Cake? — How do detectives solve a mystery by ruling out what can't be true?
18 frågor · 12 min

The Wall That Spoke — how did we learn to read Egyptian hieroglyphs?
11 frågor · 12 min

The Fog Bell — What is resonance, and why does timing beat strength?
11 frågor · 12 min

One Stick — Why are triangles the strongest shape, and why do bridges and towers use them?
13 frågor · 12 min

It Goes On Forever — What is a vanishing point, and how does one-point perspective work?
15 min

Trettio man springer — varför sjönk Vasa, och vad är tyngdpunkt?
14 frågor · 10 min

Get the Cat Back — Why do steel ships float?
13 frågor · 7 min

Nowhere to Shoot — Why do goalkeepers run out at strikers?
11 frågor · 8 min

Catch the Light — Why does light bounce off a mirror at the same angle it hits?
16 frågor · 11 min