Like it or not, the day is coming when we’ll live side by side with humanoids. But although most modern robots can grip objects and avoid walls, they lack a vital quality in any companion: feeling. They don’t need to get your jokes or sense that you had a bad day, but without all-over sensors that can detect things like motion and body heat, there’s nothing to tell them that, for instance, they’re stepping on the baby.
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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?