On arXiv today, one of the strangest math papers I’ve seen: a proof of a result in metric geometry in the form of a fantasy novellette

A non-Euclidean story or: how to persist when your geometry doesn’t

Local team designs emergency ­ventilator in just over a week

Local team designs emergency ­ventilator in just over a week

“Over the course of a little more than one week, a Sherbrooke-based team designed, built, and tested a prototype medical ventilator made from readily available, abundant, and locally-sourced parts as a part of the Code Life Ventilator Challenge put out by the Montreal General Hospital Foundation and the McGill University Health Centre Research Institute.”