Google's Cultural Institute is a collaboration with a number of museums and universities to offer an amazing array of archives online. They have made a vast collection of materials about World War II available in an engaging format, including personal stories about the build-up to fascism. Another archive explores the anti-Apartheid movement in South Africa from several points of view. One of the most recently added collections explores the fall of the Iron Curtain in Europe.
I wrote yesterday for Open Culture about another cool Google endeavor. Their Chrome Workshop has designed an interactive 3D map of the Milky Way with the locations of more than 100,000 stars. Zoom around, tilt the galaxy this way and that, and click on the names of stars to learn more about them.
Check it out and let me know what you think!