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The upside of Wi-Fi is that it’s everywhere – invisibly connecting laptops to printers, allowing smartphones to make calls or stream movies without cell service, and letting online gamers battle it out. The downside is that using Wi-Fi consumes a significant amount of energy, draining the batteries on all those connected devices.
Now, a team of computer scientists and electrical engineers has demonstrated that it’s possible to generate Wi-Fi transmissions using 10,000 times less power than conventional methods.Image credit: University of Washington
