Blog.CarlRobitaille.org

Indiscriminate laziness

Finding the radius of curvature of a curve at a point

Posted on 2021/12/02 by Carl Robitaille

finding the radius of curvature of a curve at a point,
by finding the intersection of two normals very close to the point pic.twitter.com/NUOArVWvOO
— Matt Henderson (@matthen2) November 30, 2021

AURORA ALERT! The Northern Lights may be visible from Northern parts of the UK, especially Scotland. It will be quite visible in Scandinavia.

Posted on 2021/12/02 by Carl Robitaille

AURORA ALERT!
The Northern Lights may be visible from Northern parts of the UK, especially Scotland. It will be quite visible in Scandinavia. pic.twitter.com/Gx3qCKWQe6
— VirtualAstro (@VirtualAstro) November 30, 2021

Runge phenomena

Posted on 2021/12/02 by Carl Robitaille

Runge phenomena

Polynomial interpolation at evenly-spaced nodes converges iff the function is analytic inside a football-shaped region. https://t.co/us2I1BHJ7f
— Analysis Fact (@AnalysisFact) November 30, 2021

The Big Misconception About Electricity

Posted on 2021/12/02 by Carl Robitaille

WTF is shortening?

Posted on 2021/12/02 by Carl Robitaille

The Extraordinary Spiral in LL Pegasi

Posted on 2021/12/02 by Carl Robitaille

The Extraordinary Spiral in LL Pegasi

7.9 billion COVID vaccine doses have been administered

Posted on 2021/12/02 by Carl Robitaille

💉 7.9 billion COVID vaccine doses have been administered

👥 54% of world population with at least 1 dose

🌍 Total doses per 100 people
Upper-middle income: 148
High-income countries: 147
Lower-middle income: 69
Low income: 7

Our data on vaccinations: https://t.co/03pQ8rRViP pic.twitter.com/OSpjtUKjCj
— Edouard Mathieu (@redouad) November 28, 2021

The Truth About Lab-Grown Meat

Posted on 2021/12/02 by Carl Robitaille

La désinformation faite par certains professionnels de la santé et chercheurs est la pire, car le public croit à tord être bien informé. Pikachu réagit

Posted on 2021/12/02 by Carl Robitaille

https://twitter.com/Wal_Trudeau/status/1464444371399544837?s=20

Introduction to the ENIAC

Posted on 2021/12/02 by Carl Robitaille

the gif is from this YouTube video, an introduction to the ENIAC, where they interview some folks and show off the pieces of the ENIAC on display at the University of Pennsylvania.https://t.co/fxqCjC2Zqw
— Tube Time (@TubeTimeUS) November 26, 2021