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This week, I thought I'd do a Twitter microlesson on chaos! #math #AcademicTwitter A blue ball shoots up vertically, "bounces" off of the black line, and then moves horizontally until it hits the yellow line. This is called the dyadic map. Let's try to understand…

A mathematician who studies the spread of disease explains some of the figures that keep popping up in coronavirus news.

Lorenz found an elegant way to analyze the dynamics on his strange attractor. Looking at the time series of z, he noticed that each local maximum of z seemed to predict the next. He plotted this and his data falls on a curve, which we call the Lorenz map.…