Blog.CarlRobitaille.org

Indiscriminate laziness

A Gaussian Prime that looks like Gauss

Posted on 2019/08/08 by Carl Robitaille

A Gaussian Prime that looks like Gauss

Amazing Graphs

Posted on 2019/08/08 by Carl Robitaille

If people do not believe that mathematics is simple

Posted on 2019/08/08 by Carl Robitaille

"If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is." – John von Neumann pic.twitter.com/NmfhJmHlPo
— Fermat's Library (@fermatslibrary) August 8, 2019

This arrow by mathematician and sculptor Kokichi Sugihara can’t point left

Posted on 2019/08/05 by Carl Robitaille

This arrow by mathematician and sculptor Kokichi Sugihara can't point left. Here's how it works: It's 3D-printed with a bunch of curves our brains don't register. pic.twitter.com/Xa32GrI7ii
— Khai (@ThamKhaiMeng) August 4, 2019

The common external tangent segment

Posted on 2019/08/05 by Carl Robitaille

#FunFact: The common external tangent segment connecting any 2 tangent circles has a length equal to the GEOMETRIC MEAN of the radii of both circles. 😯 How to prove? 🤔(Source: @gogeometry). https://t.co/3RwqD4ki5M @geogebra #MTBoS #ITeachMath #geometry #proof #EdTech #math pic.twitter.com/fFIsxGFvMO
— Tim Brzezinski (@TimBrzezinski) August 5, 2019

Side-Stepping of the Triple Pendulum on a Cart

Posted on 2019/08/04 by Carl Robitaille

A huge challenge to chaos is posed by this diligent robot, balancing a triple pendulum in few seconds https://t.co/OrJMkIjOy6 pic.twitter.com/R1YZ84ie33
— Massimo (@Rainmaker1973) August 4, 2019

This problem seems hard, then it doesn’t, but it really is

Posted on 2019/08/04 by Carl Robitaille

Hidden inside every square is a 3-4-5 (right) triangle!

Posted on 2019/08/02 by Carl Robitaille

Did you know? Hidden inside every square is a 3-4-5 (right) triangle! 😯 How can we formally prove THIS true? 🤔(Source: @gogeometry). https://t.co/77ExcEzFyx @geogebra #MTBoS #ITeachMath #geometry #proof #EdTech #math #maths #MathEd #MathEdTech #FigureThat #GeomChat pic.twitter.com/G5YG9eNaTn
— Tim Brzezinski (@TimBrzezinski) August 2, 2019

The determinant of the exponential

Posted on 2019/07/31 by Carl Robitaille

popular tweet by @tamasgorbe https://t.co/1RPWdEbmEy
— MathFeed (@MathFeed) August 1, 2019

Opposite Angles of a Cyclic Quadrilateral

Posted on 2019/07/29 by Carl Robitaille

Opposite Angles of a Cyclic Quadrilateral add up to 180 Degrees#MTBoS #iteachmath #math #maths pic.twitter.com/lUcOC1w36e
— Idan Tal (@MagicPi2) July 29, 2019