# When is a coffee mug like a donut?

[Draft] A recent Nature article (below) was inspiration for this post. I’ve been encountering the use of topology in physics for some time. Typically the mathematics is elusive, but the notions are compelling. Wiki > Topology A continuous deformation (a type of homeomorphism) of a mug into a doughnut (torus) and a cow into a… Continue reading When is a coffee mug like a donut?