I was a bit surprised that you can post a Pringle through a letterbox Posted on 2022/02/21 by Carl Robitaille Reply I was a bit surprised that you can post a Pringle through a letterbox-because twisting straight lines trace out the hyperbolic paraboloid Pringle shape pic.twitter.com/dzhXQaAspn— Matt Henderson (@matthen2) February 20, 2022
In 1957, John Conway built a water computer called WINNIE (Water Initiated Numerical Number Integrating Engine) Posted on 2022/02/21 by Carl Robitaille Reply In 1957, John Conway built a water computer called WINNIE (Water Initiated Numerical Number Integrating Engine) pic.twitter.com/k8iVPdo0dY— Fermat's Library (@fermatslibrary) February 20, 2022
“Everyone who confuses correlation with causation eventually ends up dead.” Posted on 2022/02/21 by Carl Robitaille Reply "Everyone who confuses correlation with causation eventually ends up dead."Favorite new way to teach this, hands down.— Emily Rauscher (@rauscher_emily) February 18, 2022
Another nice way to visualize complex functions: “x-ray plots” Posted on 2022/02/21 by Carl Robitaille Reply Another nice way to visualize complex functions: "x-ray plots". Below a plot of Riemann zeta from https://t.co/qvVdZKvwvB. Here is the Python script to draw all x-rays in Fungrim: https://t.co/p8q2WD00xP (I stole this technique from Juan Arias de Reyna's https://t.co/tYwUlnrWbp) pic.twitter.com/JU2U8skEp7— Fredrik Johansson (@hypergeometer) February 19, 2022
Happy Valentine’s Day! Posted on 2022/02/21 by Carl Robitaille Reply Happy Valentine's Day! pic.twitter.com/B5svmIRs6M— Jay Cummings (@LongFormMath) February 14, 2022
There is always a prime between N and 2N Posted on 2022/02/21 by Carl Robitaille Reply There is always a prime between N and 2N— Fermat's Library (@fermatslibrary) February 19, 2022
Spherical Involute Posted on 2022/02/21 by Carl Robitaille Reply Spherical Involute pic.twitter.com/P5qKhVmKMj— たいすーらせん (@Yugemaku) February 18, 2022
Research real-talk Cliff Jumping Posted on 2022/02/21 by Carl Robitaille Reply Research real-talk #cliffjumping pic.twitter.com/LyZsxJSoXG— The Fields Institute (@FieldsInstitute) February 18, 2022
If a matrix is positive definite, all its principal submatricies are positive definite. Posted on 2022/02/21 by Carl Robitaille Reply If a matrix is positive definite, all its principal submatricies are positive definite.— Algebra Etc. (@AlgebraFact) February 17, 2022
“Young man, in mathematics you don’t understand things. You just get used to them.” – John Von Neumann Posted on 2022/02/21 by Carl Robitaille Reply "Young man, in mathematics you don't understand things. You just get used to them." – John Von Neumann pic.twitter.com/tw0VwteJwS— Fermat's Library (@fermatslibrary) February 17, 2022