Lateral with Tom Scott cover image

33: Crooked camel competitions

Lateral with Tom Scott

00:00

The Problem With a Number Pad

The keypad is not a fingerprint scanner, but an LCD screen lock. The thief tried to see the positions that the person's hand moved and so the numbers shift every time. Sapphire gemstones occur in a variety of colors except for one that can't be bought. Do you want to take a quick guess before we head onwards?

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