Blog.CarlRobitaille.org

Indiscriminate laziness

Voici l’avis de Don Sheppard, spécialiste en maladies infectieuses au CUSM, à propos des rassemblements à Noël

Posted on 2020/12/02 by Carl Robitaille

Voici l’avis de Don Sheppard, spécialiste en maladies infectieuses au CUSM, à propos des rassemblements à Noël.
Le monsieur est en beau fusil. C’est six minutes à écouter.
👉https://t.co/mePXYrZdgS
J'ai traduit les meilleurs extraits dans les tweets qui suivent.
/1de6 pic.twitter.com/M6luZkB28t
— Patrick Déry (@Patrickdery) November 27, 2020

This rare phenomenon is called “Baikal Zen”: rocks lying on the surface of frozen lakes

Posted on 2020/12/02 by Carl Robitaille

https://twitter.com/thegallowboob/status/1331768378936188929?s=20

Effects of Ketone Bodies on Brain Metabolism and Function in Neurodegenerative Diseases

Posted on 2020/12/02 by Carl Robitaille

Effects of Ketone Bodies on Brain Metabolism and Function in Neurodegenerative Diseases

Interesting review on the effects of ketone bodies on brain metabolism & function in neurodegenerative conditions, like #Parkinsons https://t.co/0ZhQ02hiPR pic.twitter.com/VITnu4Ooub
— ScienceofParkinsons (@ScienceofPD) November 26, 2020

Child mortality has fallen. Life expectancy has risen. Countries have gotten richer. Women have gotten more education. Basic water source usage has risen. Basic sanitation has risen.

Posted on 2020/12/02 by Carl Robitaille

I #givethanks for the many ways the world has improved.

Child mortality has fallen. Life expectancy has risen. Countries have gotten richer. Women have gotten more education. Basic water source usage has risen. Basic sanitation has risen. / Data from @Gapminder. Dots=countries. pic.twitter.com/bRkk8YX55c
— Todd Jones 🦊 (@toddrjones) November 25, 2020

The involute of a circle

Posted on 2020/12/02 by Carl Robitaille

Involutes are great! They allow for a nice geometric interpretation of the power series
cos(x) = 1 – x²/2! + x⁴/4! – …
and
sin(x) = x – x³/3! + x⁵/5! – …https://t.co/AGT6VxaD5b
— Tamás Görbe (@TamasGorbe) November 25, 2020

We hacked the Tesla Model X

Posted on 2020/12/02 by Carl Robitaille

We did it again: we hacked the Tesla Model X. In less than 2 minutes we can create our own key fob and drive away with your shiny car. All the building blocks are secure but there are quite some implementation weaknesses (not the first time this happens). pic.twitter.com/stS3DDqHsq
— Cosic.be (@CosicBe) November 23, 2020

Moon Phase and Libration, 2021

Posted on 2020/12/02 by Carl Robitaille

Moon Phase and Libration, 2021

Wonder if you'll see a full Moon on your birthday next year? This video shows the Moon's phases throughout 2021, as viewed from the Northern Hemisphere. #MoonCrushMonday https://t.co/3gf3KQB1AB pic.twitter.com/bZAAMUFeTE
— NASA Moon (@NASAMoon) November 23, 2020

This is how corner reflectors work

Posted on 2020/12/02 by Carl Robitaille

This is how corner reflectors work. A signal sent from *any* direction gets reflected back toward the sender. Simple maths with great applications. We even put some on the Moon!

Gif by @panlepan pic.twitter.com/RqyaVOeaJ5
— Tamás Görbe (@TamasGorbe) November 24, 2020

How Dogs Drink Revealed in Super Slo-Mo Video

Posted on 2020/12/02 by Carl Robitaille

How Dogs Drink Revealed in Super Slo-Mo Video

Dog Physics: How Your Pet Solves Its Drinking Problem

How do dogs drink? They just accelerate water about five times that of gravity https://t.co/o7m6MenSSU [more: https://t.co/eWWigj9eOq] pic.twitter.com/KhAB5D3NbV
— Massimo (@Rainmaker1973) November 24, 2020

Concentric circles appear to be spirals

Posted on 2020/12/02 by Carl Robitaille

Concentric circles appear to be spirals. pic.twitter.com/X1BcGblS0g
— Akiyoshi Kitaoka (@AkiyoshiKitaoka) November 24, 2020