An curved arrow pointing right. If you've ever bought a bag of coffee, you've probably noticed the weird hole in the center of the bag. It turns out that small hole plays a vital role in ...
Tearing, cutting, gluing or poking holes would be cheating. One celebrated example is a coffee mug and a doughnut. In topological terms, they are the same. That's because each is a lump of stuff ...
Tim Hortons specializes in coffee and doughnuts, including doughnut holes called Timbits. The restaurant also serves sandwiches. While a Canadian staple —think Dunkin’ Donuts of the Great ...