eCLOUD: Simulating the Real-Time Weather around the World in an Airport

"The permanent art work, located between gates 22 and 23 at the San Jose International Airport, is made from polycarbonate tiles that can face between transparent and opaque states. The tiles are activated by real-time weather from around the world, so that passers-by will feel as if they were dropped into a city around the world and were effected by it's specific weather conditions."

http://infosthetics.com/archives/2010/12/ecloud_simulating_the_real-time_weather_around_the_world_in_an_airport.html