%0 Journal Article %T Dissections of a metal rectangle %A Maxim Prasolov %A Mikhail Skopenkov %J Mathematics %D 2010 %I arXiv %X In the present popular science paper the following geometric questions are answered: - Which rectangles can be dissected into squares? - When a square can be dissected into rectangles similar to a given rectangle? The proofs are based on a physical interpretation using electrical networks. Only secondary school background is assumed in the paper. %U http://arxiv.org/abs/1011.3180v1