Very cool. I thought to myself, before clicking on the article, "this is Hacker News, so its probably some interesting number theoretic sieve... but then again

Very cool. I thought to myself, before clicking on the article, "this is Hacker News, so its probably some interesting number theoretic sieve... but then again there are a lot of people who like to cook so maybe its some kind of novel mechanical sieve". So it was quite satisfying to see discover that it was BOTH in some sense.