Dave Richeson @divbyzero

Mathematician. Curley Chair in Liberal Arts at Dickinson College. Author of Tales of Impossibility and Euler's Gem. Now: https://t.co/cefdX8CG6u Carlisle, PA Joined August 2008

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Dave Richeson @divbyzero

10 months ago

In case you are moving to Bluebky, you can find me here: bsky.app/profile/divbyz…

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Here's a fun little "magic trick." Can you figure out how it works? Hint: even and odd numbers. I was thinking you could roll a die to determine how much to count each time. (I saw the trick was credited to Martin Gardner—true? Source?) youtube.com/watch?v=DaWcL3…

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Dave Richeson @divbyzero

10 months ago

Here are my attempt to get Dall-E to make a "Mandelbrot[wurst]" or "[Mandel]bratwurst."

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Harshal S Chhaya @hschhaya

10 months ago

(Inspired by @divbyzero) In an effort to get something other than politics into your feed, a fun fact about ‘49’ The sum of the digits of the square of 49 (2401) is the square root of 49 (More in the image below) Src: Issue 49 of #SixSTEMTweets newsletter Link in alt text

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Dave Richeson @divbyzero

10 months ago

In an effort to get something other than politics into your feed: A Munchausen number is the sum of its digits raised to the power of that digit. 1=1¹ and 3435=3³+4⁴+3³+5⁵ are the only two examples if 0⁰ is defined as 1. If we take 0⁰=0, then 438579088 is another.