A surface with a surprising number of sides
Follow a loop with a half twist and see why a simple paper construction opens a door into topology.
Source: Wikipedia
Visit WikipediaImage credit
David Benbennick / Wikimedia Commons / CC BY-SA 2.0
Resized and converted to WebP for display. Display frames may crop the image; the full image remains available in Image credit.
This adapted image is shared under the same license. That license covers the image only.
