Dan Phiffer
@phiffer.org
Web developer at @propublica.org. Sometimes (rarely) mixed up with the Dan Pfeiffer who has a podcast. Lives in Troy, NY. He/him.
More active on Mastodon: https://social.coop/@dphiffer
More active on Mastodon: https://social.coop/@dphiffer
Reposted by Dan Phiffer
I recently learned about Manhattan geometry (also called taxicab geometry) and I can’t stop thinking about it, in particular the idea that pi is exactly four en.wikipedia.org/wiki/Taxicab...
Taxicab geometry - Wikipedia
en.wikipedia.org
November 21, 2025 at 2:18 AM
I recently learned about Manhattan geometry (also called taxicab geometry) and I can’t stop thinking about it, in particular the idea that pi is exactly four en.wikipedia.org/wiki/Taxicab...