Ocean drifters

  The map shows tracks of drifting buoys deployed in the southern ocean between 2005 and 2016. The underlying dataset consists of 15-minute gps data collected from 4608 buoys, available from NOAA ftp://ftp.aoml.noaa.gov/pub/phod/buoydata/. Colour indicates speed of drift….

Simulating abrupt political change

A person’s political opinion is influenced by opinions of those in their network of associates. Networks overlap, and therefore a person’s politics is also influenced indirectly by opinions of those far beyond their immediate network. It is known from statistical physics…