In 1972, the US meteorologist Edward Lorenz asked a now-famous question: "Does the flap of a butterfly's wings in Brazil set off a tornado in Texas?" The image of the tiny flapping butterfly has come ...

The butterfly effect reveals that in complex systems, the tiniest change in initial conditions can cascade into wildly ...

In 1961, MIT meteorologist Edward Lorenz was inputting numbers into a weather prediction program. His model was based on a dozen variables, the value of one being .506127. When he ran the model again, ...

In 1972, the US meteorologist Edward Lorenz asked a now-famous question: Does the flap of a butterfly’s wings in Brazil set off a tornado in Texas? Over the next 50 years, the so-called “butterfly ...