Making some noise, triggering a sound effect, or, even speaking a word or two inside a DIY project can be an arduous task of trial-and-error hexadecimal array programming. Sure there’s the digital alternative from Magnevation, SpeakJet, but you still have to tackle that programming chore for converting phonemes into words. Ideally, you should be able to speak a word, “ON,” and it’s in your project, ready for use.
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.