The Viafocus library
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Five Ways to Lift a Piano
15 min

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

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

One Stick — Why are triangles the strongest shape, and why do bridges and towers use them?
13 questions · 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 questions · 10 min

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

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

Ghost Jam — Why do traffic jams happen with no crash?
14 questions · 7 min

The Smallest Push — How does a lever let one child lift a huge weight?
11 min

Hur fungerar mens? Menscykeln och varför ingen har 28 dagar
12 min

The Middle One — Why is there always a medium size?
11 questions · 9 min