Shared January 14, 2019
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You've got a painting and two nails. Can you use both nails to hang the painting so that if either nail is removed, the painting falls? That's the puzzle: in this week's guest video, Jade's going to solve it with maths.
The Fishermen That Hold Their Breath For 10 Minutes
How To Stop A Colossal Bridge Corroding
A Questionable Experiment in Motion Sickness
Why Do London's Manholes Keep Exploding?
᚛ᚈᚑᚋ ᚄᚉᚑᚈᚈ᚜ and ᚛ᚑᚌᚐᚋ᚜
Slowing Down A Stock Exchange With 38 Miles Of Cable
The Graceful Tree Problem - Numberphile
Why NASA Spun Astronauts Around, But Doesn't Any More
The Broken Building That Must Not Be Destroyed
Single Point of Failure: The (Fictional) Day Google Forgot To Check Passwords
Divisibility Tricks - Numberphile
The Battery That's Lasted 176 Years
Why European Clocks are Running Slow, and British Clocks Aren't
Mr Olds’ Remarkable Elevator
Wheels, Bombs, and Perpetual Motion Machines
ᚼᛒ: Harald Bluetooth and Your Phone
The Other Tree That Owns Itself
ᑖᒻ ᔅᑳᑦ and ᖃᓂᐅᔮᖅᐸᐃᑦ
British Plugs Are Better Than All Other Plugs, And Here's Why