boazamr liked World Map of Social Networks 2009-2012 4 months ago
boazamr liked World Population Density 5 months ago
boazamr liked The Scale of the Universe
boazamr liked If extraterrestrial civilizations are watching our TV
boazamr liked Energy scale with 100 levels of magnitude
boazamr liked What Are The Odds?
boazamr liked Visualizing Gravity Wells
boazamr liked Mission(s) to Mars
