In most ways this is a sorrowful triangle, but on this day it was remarkably beautiful.

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In most ways this is a sorrowful triangle, but on this day it was remarkably beautiful.

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Here’s a lovely art installation at the top of Prospect Park in Brooklyn. This is *Public Water* from Mary Mattingly, and you can learn more here. I wonder what kind of relationship this artist has with mathematics.

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Inspired by Hannah Hoffman, here’s a poem proof of the irrationality of the square root of 2.

*Suppose that root 2 could be taken to beThe integer a over the integer bWhere a and b have no factor in commonSo nothing divides both the top and the bottom*

*Some algebra that’s quite easy to doGives a ^{2} is equal to b^{2} times 2But if a^{2} is even, so too must be aNow each a in a^{2} has a 2 in our play*

*So a ^{2} in fact has a factor of 4But since this equals 2b^{2} we can say moreThis b^{2} must now have a factor of 2And just as above we know b has one too*

*It appears that we are now able to sayThat 2 divides b and 2 divides aBut common factors were assumed to be noneSo this contradiction shows we are done*

Be sure to check out the excellent efforts of Timothy Gowers and Joel David Hamkins as well.

Here’s the original tweet.

There’s so much math in these window arrangements. I see patterns, permutations, and partitions. It’s like an ancient scroll showing examples of a primitive counting system.

I’m proud to have several photographs on display in *Math Meets Art*, an exhibit currently running at Columbus Academy in Columbus, Ohio. The exhibit is curated by Chris Bolognese, and features a diverse collection of work from artists, mathematicians, teachers, and students.

I was honored to be invited to participate, and even more honored that mathematician and artist Robert Bosch took a selfie with my contributions!

Shadow selfie with some beautiful photographs taken by Patrick Honner ( @MrHonner ) at the “Math meets Art” exhibition at Columbus Academy. pic.twitter.com/RiyzDwbXvz

— Robert (Bob) Bosch (@baabbaash) March 5, 2020

You can see more of the wonderful work on display in Chris Bolognese’s Twitter feed.