SciencePrague's Signal Festival of LightTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceRob Cameron10/19/2015October 19, 2015The Czech capital Prague has just hosted to the third annual "Signal festival of light." It showed more than 20 installations including video-mappings and light projections. It's a brilliant showcase for the use of technology in art.https://p.dw.com/p/1GqacAdvertisement Report by Rob Cameron, Prague