Cool! This would (eventually) remove the need for environment-destroying battery factories
"We've built what we believe is the first functioning cellphone that consumes almost zero power," said co-author Shyam Gollakota, an associate professor in the Paul G. Allen School of Computer Science & Engineering at the UW. "To achieve the really, really low power consumption that you need to run a phone by harvesting energy from the environment, we had to fundamentally rethink how these devices are designed."
Read, listen or watch the rest here: First battery-free cellphone makes calls by harvesting ambient power
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