In the early days of the republic, there was no widespread way to vote. In some places, citizens would vote by placing different colored beans in a container [like the Masonic one at left]. In others, they would stand on the courthouse of bank steps and shout their vote, which was recorded by a clerk.
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.