^Yeah, a surface. So whilst the twisted strip of paper might not itself be a Mobius strip
it has two sides
each of which is a Mobius strip.
but that search didn't just bring up photos of einstein and godel together. i also saw this photo depicting the tombstone of the father of the Incompleteness Theorem:
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then i thought of a funny joke.
"kurt godel's dead? prove it!"
RIP Kurt![]()