Science has come a long way in the last century. Advances in communication, changes in who funds scientific research and how, and who actually conducts the research have all changed the scientific community. Shifts in views and an increasing acceptance of people from various cultures and demographics have also propelled science into a new era.
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.