A new type of wireless charger can charge multiple devices simultaneously, researchers report. The device transfers energy with 90% efficiency within 20cm charging range. Mobile phones and tablets have allowed us to stay in touch regardless of our location, yet they still rely on plugs, sockets, and charging pads to power up. New technology developed at Aalto University may be the key to true wireless charging for these and other electronics in years to come. The research team includes researches Dr. Prasad Jayathurathnage and Dr. Xiaojie Dang, and professors Sergei Tretyakov and Constantin Simovski...
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