Don’t have the time or money to fly to Spain to visit the famous Prado Museum in Madrid? No problem. Today, Google launches the Prado layer on Google Earth. Now you can view masterpieces like Velazquez’s The Maids of Honor or Rembrandt’s Artemis in high resolution.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.