2. Researchers Wanted Preschool Teachers to Wear Cameras to Train AI (www.404media.co)

β€œWith your permission, your child’s lead teacher may wear a small teacher-worn camera that captures the teacher's approximate first-person perspective, and/or we may place a fixed video camera in the classroom,” a document given to parents and later shared with 404 Media reads.

16. Profunctor Equipment in Haskell (bartoszmilewski.com)

Previously: Profunctor Equipment. To make things more palatable for programmers, I decided to provide a toy implementation of some of the equipments in Haskell. The advantage of this encoding is th…

29. Which country voted the best at Eurovision? (lalitm.com)

Eurovision was on yesterday. I’ve never been interested much in the musical side but the weird political dynamics of Eurovision voting have always fascinated me; I tune in each year just for them and somewhat snarky commentary of Graham Norton, the UK commentator.
As I was watching the jury votes come in, a question popped into my head: Which country has voted the best in Eurovision? That is, which country was best at picking the eventual top 10 and in the right order?
Strangely enough, while there’s plenty of work on voting blocs and bilateral biases at Eurovision, most of it asks who votes for whom; I wanted to ask who votes accurately. I couldn’t find anyone asking the question that way, so I decided to do some data analysis myself.
The metric To begin to answer this question, I first needed to formalize what β€œbest” even means. That is, some mathematical notion of β€œgood” and β€œbad”.

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