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Tag Archives: mathematics
Is Coding a Math Skill or a Language Skill? Neither? Both?
There are aspects of computer code that look like language and some that seem more like algebra, and since we may be headed for a future where many people will need to learn to code, researchers are interested in figuring … Continue reading
Visualising irrationality with triangular squares
Get ready for some brand new and very pretty visual proofs of the fact that root 2, root 3, root 5 and root 6 are irrational numbers. Root 2 being irrational also translates into the fact that the equation x^2+x^2=y^2 … Continue reading
Does Time Cause Gravity?
We know that gravity must cause clocks to run slow on the basis of logical consistency. And we know that gravity DOES cause clocks to run slow based on many brilliant experiments. But I never explained WHY or HOW gravity … Continue reading
A Mathematician’s Lament
A Mathematician’s Lament by Paul Lockhart (also referred to as Lockhart’s Lament): https://www.maa.org/external_archive/… The essay has been expanded into a book of the same name: https://amzn.to/2OvaBGl Paul Lockhart has also written a book showing how math should be done: https://amzn.to/3rFSqvz
Our Brains Broadcast a Message We Don’t Understand
About Thoughty2 Thoughty2 (Arran) is a British YouTuber and gatekeeper of useless facts. Thoughty2 creates mind-blowing factual videos about science, tech, history, opinion and just about everything else. #Thoughty2 Writing: Bevan Rees Editing: Alex Brown Script Development: Steven Rix
Why Are There 7 Days In a Week?
Why does everyone use a 7 day week, and where did it come from? Where do the names of the days come from? And who can we blame for Mondays? Here’s the true story of one of the oldest human … Continue reading
China’s Toughest Exam
America’s Toughest Exam: https://youtu.be/u03ST3ho9OU India’s most competitive exam: https://youtu.be/upOlpeJKVKA The Beijing physics paper (not translated): http://www.gaokao.com/e/20201124/5fbc… The Qinghai math paper (not translated): http://www.gaokao.com/e/20200709/5f06… 2020 gaokao exams (not an official site but a collection of exams from different regions): http://www.gaokao.com/e/20200712/5f0a… Gaokao … Continue reading
Is the London Underground knotted?
Check out Geoff’s video from the same day! Thanks very much to Vicki and Geoff for all their help. If you want some more maths, and the ‘rules’ for finding a Tube Knot, check out the bonus content video on … Continue reading
Does Time Really Flow? New Clues Come From a Century-Old Approach to Math.
Natalie Wolchover Senior Writer/Editor April 7, 2020 The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers. Strangely, although we feel as … Continue reading
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