Spirograph effect in HTML canvas
If you like maths and drawing – or just like to bring back a childhood memory – this will keep you busy for quite a while…
From Weekly Filet #267, in March 2018.
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Maths
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Curta: a mechanical pocket calculator
I’m years late to this, but totally flabbergasted. What a great piece of engineering.
From Weekly Filet #240, in July 2017.
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The Riddler
Math and logic riddles. Sometimes unnervingly tricky. Highly addictive.
From Weekly Filet #237, in June 2017.
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Bias in the ER
Humans are notoriously bad at understanding probability – and as a consequence make bad, unreasonable decisions, both in experiments and in real life. When you’re in a hospital, you better hope your doctor knows a thing or two about probability. This excellent piece goes deep on the issue (and serves as a reminder that you should read Kahneman’s «Thinking, Fast and Slow» if you haven’t already).
From Weekly Filet #227, in February 2017.
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The Fold-and-Cut-Problem
I find this endlessly fascinating: You can create any shape of straight lines by folding a piece of paper and making one single straight cut.
From Weekly Filet #226, in February 2017.
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