This is one of the best series of videos on complex numbers I have ever seen. Really well done. Be careful, it'll suck you right in. https://t.co/1Jvir6XLcb

This one is very good.

I flew a whole passle of lazy-8s over Lake Geneva Wisconsin yesterday. What a gorgeous day to fly!

Sent 20,000 sats to #[1] for damus.