"Smart" phones offer the intelligence of a computer, with the
convenience of a phone. "Smart" meters let homeowners choose
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Risks for the U.S. Navy The next frontier: "smart" trash? A
5-year-old group at the Massachusetts Institute of Technology
has spent the last year attaching thousands of tracking devices
to pieces of garbage in Seattle and New York City. The devices
send out pulses to signal where they are. The signals go to
MIT's SENSEable City Lab for analysis. Last year, they also went
to art exhibits in both cities, where live maps revealed the
many paths garbage takes. For example, a plastic soap bottle
tossed in a Manhattan recycling