Blog.CarlRobitaille.org

Indiscriminate laziness

‘Classical mathematics concentrated on linear equations for a sound pragmatic reason: it could not solve anything else.’ — Ian Stewart

Posted on 2022/02/23 by Carl Robitaille

'Classical mathematics concentrated on linear equations for a sound pragmatic reason: it could not solve anything else.' — Ian Stewart
— Analysis Fact (@AnalysisFact) February 23, 2022

POURQUOI Poutine fait-il cela ?

Posted on 2022/02/23 by Carl Robitaille

Une question revient régulièrement ces derniers jours à propos de la crise entre l’Ukraine et la Russie :

« POURQUOI Poutine fait-il cela ? »
Réponse par un petit (😇) thread chronologique ⤵️ 🇷🇺 🇺🇸 🇺🇦 pic.twitter.com/rdzfAUw5Nm
— Phil McNaughton (@phil_mcnaughton) February 22, 2022

‘The great watershed in optimization isn’t between linearity and nonlinearity, but between convexity and non-convexity.’ — R. Tyrrell Rockafellar

Posted on 2022/02/23 by Carl Robitaille

'The great watershed in optimization isn't between linearity and nonlinearity, but between convexity and non-convexity.' — R. Tyrrell Rockafellar
— Analysis Fact (@AnalysisFact) February 22, 2022

Wow, cette caricature a été publiée en 1930…

Posted on 2022/02/23 by Carl Robitaille

Wow, cette caricature a été publiée en 1930… 😳 pic.twitter.com/cjrJMzBD81
— Simon O Fecteau (@sofecteau) February 21, 2022

“You should, in science, believe logic and arguments, carefully drawn, and not authorities.”

Posted on 2022/02/21 by Carl Robitaille

“You should, in science, believe logic and arguments, carefully drawn, and not authorities.” pic.twitter.com/wYFjRKFmII
— Ana Mostarac (@anammostarac) February 21, 2022

Chris Ford at the Boston Garden, October 12, 1979. You are looking at the first 3-pointer in NBA history

Posted on 2022/02/21 by Carl Robitaille

Chris Ford at the Boston Garden, October 12, 1979. You are looking at the first 3-pointer in NBA history.

pic.twitter.com/sK2fJLyehT
— Super 70s Sports (@Super70sSports) 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

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

The price of 1 million lumen-hours since the Middle Ages

Posted on 2022/02/21 by Carl Robitaille

The price of 1 million lumen-hours since the Middle Ages. A lightbulb does that in ~600 hours, or about 2 months of daily usage. So multiply these prices by 6 to see how much it used to cost to use a lamp for one year. So many things we take for granted used to be such luxuries. pic.twitter.com/hEYmqVf6D5
— Tim Urban (@waitbutwhy) 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

"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

The terminal width is almost always 80 columns

Posted on 2022/02/21 by Carl Robitaille

Open a terminal window on your computer—whether Windows, Mac or Linux—and unless you’ve fiddled the defaults, the width is almost always 80 columns. Run a code reformatter like clang-format and same deal…defaults to 80 columns. Why? (1/18) pic.twitter.com/OQLInQDaCo
— That Dragon Guy (@PaintYourDragon) February 15, 2022