How fast is nothing at all?

I like the post, but it's not a "Show HN:". From https://news.ycombinator.com/showhn.html

> What to Submit

> Show HN is for something you've made that other people can play with. HN users can try it out, give you feedback, and ask questions in the thread.

> [...]

> Blog posts [...] can't be tried out, so they can't be Show HNs.

I think it's an interesting blog post, but it can´t be tried out.