What are examples of math hoaxes/interesting jokes published on April Fool's day?
For a start P=NP.
Added 2022-04-01 Anything new in 2022?
[Math] Examples of math hoaxes/interesting jokes published on April Fool’s day
big-listrecreational-mathematics
Related Question
- [Math] Examples of interesting false proofs
- [Math] Nearly all math classes are lecture+problem set based; this seems particularly true at the graduate level. What are some concrete examples of techniques other than the “standard math class” used at the *Graduate* level
- [Math] Which popular games have been studied mathematically
- [Math] Papers in which the questions were more interesting than the results
Best Answer
I enjoyed the hexasphere by A. V. Akopyan, J. Crowder, H. Edelsbrunner, R. Guseinov
from last year:
http://pub.ist.ac.at/~edels/hexasphere/
In the link, the sphere is animated, so you can look at it from all sides.