Germophobes and OCDers may want to stop reading now, or at least seriously consider only continuing with a bottle of Purell on hand—for today, were talking about bacteria, those squirmy no-see-‘ems that densely cover just about every surface imaginable here on Earth, including your own skin. However much hypochondriacal hatred the mention of them can bring about, as with other quasi-oxymorons like good cholesterol, wed be in a lot of trouble if it werent for bacteria.
Researchers at the University of Massachusetts, Amherst, are developing child-sized, wheeled robots that could soon start helping elderly people in their homes. Computer scientist Rod Grupen, who led the team that developed uBot-5, notes that robots are finally safe and inexpensive enough to perform a real function in homes. The robot has an LCD screen, a webcam, and a wireless connection to the Internet. It speeds around and balances on two Segway-like wheels. If it does happen to fall, though, uBot-5 uses its long arms to do a push-up, and return itself to an upright position.
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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?