Thermochromic Clock by CW&T is a 4-digit 7-segment timepiece. Each segment in the display is made with a length of nichrome wire and then covered by a thick layer of black thermochromic paint. Time is displayed by applying voltage to the nichrome wire. As the wire sustains an electric current, it heats up the surrounding thermochromic paint, causing it to become transparent.
Building on the brain’s functions to use information from the past and present to predict the future, Darkball by Che-Wei Wang is an iPhone application and a tool to understand how the nervous system makes such predictions.