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The Pólya Conjecture

I have finally memorized one simple mathematical statement that is true for pretty much any number you can think of, but is in fact verifyably false, with known counterexamples. The […]

Google had shut down Recaptcha v1 on March 31st, killing my feedback page in the process. I found out yesterday, fixed today. Pros: new captcha is much easier to use […]

Warning: this post is politically charged. Russia has just enacted a law that forbids dessimination of “untruthful information” over the Internet. The actual legal definition is very lengthy, but it […]

Coins

After a trip to Europe I ended up with a mix of US and Euro coins in my wallet. Sorting them out proved surprisingly easy: if you can quickly figure […]

I absolutely detest the “what number/letter/picture comes next” type of puzzles. They are typically based on catching the pattern that the author had in mind when creating the puzzle. Well, […]

Dumbification of web sites

In the last month or so I realized that I am having difficulty using GMail. I could not put my finger on it, until it hit me: look at the […]

Cheap M-amp-Ms!

HTML entities are taking over. Here’s what I saw today in our local Target: