Our archives are always good for a laugh, whether its frightening carnival rides or bizarre DIY dodecahedral meditation chambers. But with an oeuvre spanning three centuries, the archives are also a great resource to track scientific development, or look back at the legacy of a genius. This week, we trace the history of recording technology from Thomas Edison to Apple.
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.
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