New Charger Harvests Energy from Wi-Fi Signals
So it won't power laptops? and...
Will it slow down the network?
If so wouldn't/shouldn't that require a wap/wep key?
This works be detecting the electrical energy of the Wi-Fi radio waves, not the actual content of the data that can be sent. It is a passive method that requires no connection and does not create any more or less load on the system. The waves are in the air regardless if something is picking them up or not.
Think about a crystal radio like the one kids make in high school. It has no power source but still is able to create enough current to power a small earphone to hear a radio broadcast. That energy came directly from the radio wave.
In theory you could do this with other frequencies besides Wi-Fi, but Wi-Fi is a much stronger signal compared to broadcast TV and radio, which is why th...
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