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You want to make a simple cube frame from wires in a way, that each edge has only a single wire. You can bend the wires however you want and they can be any length. At the least how many wires do you need?

Fact Lab

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Interesting fact:

Around half of all man made products require some welding. The first ever industrial robot was made for spot welding. General motors introduced the two tonnes heavy robot in 1961. World War II saw huge advancements in welding, which allowed for a ship to be built in 4 days, 15 hours and 27 minutes in 1942.

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