So, what is gravity? Good video explanation of gravity.
All the physics classes in the world should be like this. More people would enjoy learning it.
In Above Video 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:http://prettygoodphysics.wikispaces.c...
video source : youtube
