Viafocus-biblioteket
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Grandpa Never Loses — How to always win the 21 matchstick game (Nim)
22 frågor · 15 min

The Short Order — Why does serving the quickest first make everyone wait less?
26 frågor · 15 min

The Wait — How does radar work, and how does it find a plane nobody can see?
29 frågor · 16 min

Four Marks — How do you survive lost in the wild, and what kills you first?
30 frågor · 16 min

Three and a Bit — Why is pi 3.14, and what is pi actually measuring?
28 frågor · 15 min

Wake the Needle — What is a magnet, and how does a compass work?
26 frågor · 15 min

Nobody Leads — How do thousands of birds fly in one flock without crashing?
12 min

The Map Lied — Why does Greenland look as big as Africa on a world map?
13 frågor · 12 min

Six Nights — Why do you have to finish your antibiotics even when you feel better?
11 frågor · 9 min

Beat the Flag
21 frågor · 12 min

Thin Ice — What is pressure?
11 frågor · 7 min
Five Ways to Lift a Piano
15 min