SCIENCEGEEK ADVENT CALENDAR EXTRAVAGANZA! (DAY 5) by the grace of all that is good about science MARVELOUS CHRISTMAS CARD BY ROY DOTY (The most awesome Rube Goldberg Machine ever!) By Roy Doty, 2006. Click on the image for full size goodness. (See previous day) Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window) 12.05.2013 – archive / special
