Tech & DIYPopular Science
Popular Science: This gadget from 1930 let people ‘talk’ to the dead—with a magic trick
Popular Science: An electric cow, a robot mailman, and other automatons we overestimated
Popular Science: A 1967 foot-powered tool you could build today—if you wanted to
Popular Science: A DIY voice assistant from 1950 could mute a radio and control toy trains
