Blog.CarlRobitaille.org

Indiscriminate laziness

John H Conway performing the knot trick

Posted on 2020/04/12 by Carl Robitaille

Here is a better-quality video clip of John H Conway performing the knot trick that @wtgowers mentioned.

It’s impressively done. Even watching it on a loop, I can’t see the sleight of hand. pic.twitter.com/8WuBWZ1PKy
— .robin. (@robinhouston) April 12, 2020

Mathematics is the simple bit

Posted on 2020/04/12 by Carl Robitaille

"You know, people think mathematics is complicated. Mathematics is the simple bit. It's the stuff we can understand. It's cats that are complicated". RIP John Conway pic.twitter.com/v7p8YSSwCE
— Fermat's Library (@fermatslibrary) April 12, 2020

Crystal Balls and Coronavirus (with Hannah Fry)

Posted on 2020/04/11 by Carl Robitaille

British mathematician John Horton Conway dies age 82 in Princeton, NJ. Cause probably Covid-19

Posted on 2020/04/11 by Carl Robitaille

British mathematician John Horton Conway dies age 82 in Princeton, NJ. Cause probably Covid-19 https://t.co/FRZCs8QJs7
— Alex Bellos (@alexbellos) April 11, 2020

A 3D model of a person coughing in an indoor environment

Posted on 2020/04/11 by Carl Robitaille

A 3D model of a person coughing in an indoor environmenthttps://t.co/4qAEjW99q3
— Phodysssey (@phodyssey) April 11, 2020

Recipe done by Leibniz to determine logarithms using nothing but a hanging piece of string

Posted on 2020/04/07 by Carl Robitaille

This week's paper is a very interesting 1691 recipe done by Leibniz to determine logarithms using nothing but a hanging piece of string.

Paper 👉 https://t.co/huzdCzRfdF pic.twitter.com/np3kCg4UmR
— Fermat's Library (@fermatslibrary) April 7, 2020

https://fermatslibrary.com/s/how-to-find-the-logarithm-of-any-number-using-nothing-but-a-piece-of-string

Coiled 15 puzzle

Posted on 2020/04/06 by Carl Robitaille

Fox News et l’axe des Y

Posted on 2020/04/05 by Carl Robitaille

Avec la pertinence récente de l’échelle logarithmique, quelqu’un chez Fox News a appris qu’un axe Y n’avait pas forcément à être linéaire, puis les choses ont dégénéré… pic.twitter.com/HlLTCTs6gk
— Alexandre Blanchet (@Alex_Blanchet) April 5, 2020

xkcd: Scenario 4

Posted on 2020/04/04 by Carl Robitaille

xkcd: Scenario 4

Impossible Squares

Posted on 2020/04/04 by Carl Robitaille