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I found this kind of interesting: http://www.pcworld.com/article/227410/Coming_Soon_Yell_At_Your_Phone_To_Charge_It.html#tk.rss_news
I've also seen stories in the past about picking up the energy from WIFI to charge mobile devices. Thinking about it, if the physical components to do this we manufactured small enough, you could have the infrastructure to charge from stray electrical current, sound and even solar all built into one device. I wonder how long it will be until our devices no longer need to be plugged in at all?
I've also seen stories in the past about picking up the energy from WIFI to charge mobile devices. Thinking about it, if the physical components to do this we manufactured small enough, you could have the infrastructure to charge from stray electrical current, sound and even solar all built into one device. I wonder how long it will be until our devices no longer need to be plugged in at all?