How are you cutting your bagels? With a boring straight down the middle cut, or into a delicious linked breakfast chain, using the Mobius strip method?
Everyone knows about The Mobius Strip, the loop of paper with a twist in the middle that has only one surface. Now imagine taking a disk and gluing its edge to the edge of the Mobius strip. This will give you a Boy Surface, and one of the weirdest planets conceivable.
Möbius strips are special loops that only have one continuous side. Now we've built the smallest Möbius strips ever - out of DNA. Here you can see the nanometer-sized DNA loops, folded like origami.
BIG Architects recently unveiled their unusual design for a new library to be built in Astana, Kazakhstan: a twisting infinite loop designed to maximize natural lighting for the library and shading for the interior corridor.