urlsa=i&rct=j&q=&esrc=s&source=images&cd=&ved=0CAcQjRw&url=http3A2F2Fwww.itp.phys.ethz.ch2Fpeople2Fchitra&ei=4DX6VJbaGInAggTw24OwBw&bvm=bv.87611401,d October 21, 2021 | By Kristjan Haule