Möbius strip
His great discovery, known as the "Möbius or möebius® strip", is an object that defies common sense and our prejudices about the intuitive. In addition, the peculiarities of this strange way of visualizing infinity have been turned into ingenious practical applications, most of them aimed at achieving more efficient and durable devices. It is no coincidence that the world recycling symbol is based on a Möbius strip.