A very clever execution. A micro-controller attached to a media player is triggered by the wind of the incoming train. The trigger plays back a pre-produced animation that reflects the wind’s effect on the hair. Simple and elegant. Vitalie, thanks for the find!
http://www.fourthwall.ca/wp-content/uploads/2014/01/Train-wind.png387806Dmitrihttp://www.fourthwall.ca/wp-content/uploads/2015/09/logo.jpgDmitri2014-01-30 20:02:102014-01-30 20:02:10Subway digital poster affected by train's wind