I am trying to find all the solutions and put them together at a single place, So feel free to add comments and if you have a solution please do post. Cheers … 🙂
Here is the puzzles link : http://www.wuriddles.com/
Say you have some bendable wires (any number, any length). What is the minimum number of solder connections needed to make a cube? Prove it.
Also, what is the minimum number of wires necessary? Prove it.