Once proved, mathematical theorems* tend to stay proved. Nevertheless, they can sometimes still be improved – say, by making them shorter. Take, for example proofs for The Hairy Ball Theorem. Mathematician Henri Poincaré first drew attention to the Hairy Ball Theorem in 1885 with his treatise ‘Sur les courbes définies par les équations différentielles (III)’ Journal de […]
Tag: hairy
Podcast 26: A look back at the 2014 Ig Nobel Prize winners (PART 1)
Trod-upon banana peels; deities in toast; late night psychopaths; cat hazards; dog alignment; really, really, really heavy marijuana users; fat people’s shoes; spearmint tea and hairy women; and someone who swallowed a fork — all these all turn up in this week’s Improbable Research podcast. Click on the “Venetian blinds” icon — at the lower right corner here […]
Hair and Moustaches in the Far West (1873 to 1899)
Improbable can find only one academic paper which examines men’s head and facial hair styles in the far western United States between 1873 to 1899. It’s the work of Elaine Pedersen, who is an Associate Professor at the School of Design & Human Environment of Oregon State University. See: Men’s Head and Facial Hair in […]