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BrainTwister #8: Two cubes

Can you solve this week’s logic puzzle? Plus our quick quiz and the answer to last week’s problem

By New Scientist

21 February 2024

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

#8 Two cubes

Set by Katie Steckles

A frame is made from two cubes joined together. All edges on each of the cubes measure 1 unit.

What is the distance between the two points on the frame marked with red dots?

Can you find another pair of points on the frame, one for which the distance apart is the square root of 3?

For how many whole number values of n can you find pairs of points on the frame whose distance is the square root of n?

Solution next week

#7 Home primes

Solution

The home prime of 6…

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