Thanks to advances in consumer tech, daily activities like stirring your coffee and ironing your clothes just might become obsolete. Think what you could do with all the extra time and energy you´ll save by not mowing your lawn or mopping your floors. You could write the great American novel, or start working on a cure for cancer. Or catch a few M.A.S.H. rerunsâ€
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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.