Help Keep PTSOS Going, Click Here: https://www.gofundme.com/ptsos Dan Burns explains his space-time warping demo at a PTSOS workshop at Los Gatos High School, on March 10, 2012. Thanks to Shannon Range from the Gravity Probe B program for creating the original demonstration which he shared with Dan in 2004. Information on how to make your own Spacetime Simulator can be found here: https://www.youtube.com/watch?v=2JOf1ub9US0