stacking two cone landscapes creates a landscape whose contours are ellipses. The focal points of all the ellipses are at the peaks of the original cones pic.twitter.com/baYDsQDwu3
The quote was written by Galileo to defend his non-mathematical, non-scientific, false view of comets against the mathematical, scientific, correct view of Orazio Grassi! Context is everything! https://t.co/2y9KaZeVsk
— Thony Christie (he/his/him) (@rmathematicus) May 3, 2020
Not to poo poo the app before it even gets going, but even even if you SOMEHOW manage to get 75% of smartphone users to run it, it would still give a reproduction number of 1.4 if lockdown were lifted. (anything above one is bad) Our paper here: https://t.co/DR2KiF5B59pic.twitter.com/i8pn7JxRr5
