In his lab Pister has scaled his network to some 800 motes sending error-free data every two seconds.
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He figures one network could easily include 10, 000 motes, covering 23 square kilometers.
He figures one network could easily include 10, 000 motes, covering 9 square miles.
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It isn't yet clear whether 10, 000 motes can handle a lot of traffic without big power consumption and backlog problems.
Most are motes that sparkle like fireflies as they burn up entering the atmosphere, about 100 tons worth each day.
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Other possible uses include scattering motes across a forest floor so firefighters can spot a fire when it has burned just a few trees.
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