Charging is also possible with Wi-Fi signals
Engineers at the Massachusetts Institute of Technology have developed an experimental device using graphene that can generate electricity by absorbing Wi-Fi signals. Experts have dubbed it the "terahertz rectifier". Consists of fragments, beneath which a layer of boron nitride has been laid. They transfer some of their energy to the graphene's electrons, causing them to e They start flowing in a certain direction as direct current (DC). The same can be said for current charging.
Preliminary experiments have shown that the purer the graphene in a terahertz rectifier, the better its performance. Experts who invented the device say that its purpose is to prove a single concept in practice, so it is not possible to offer a charging device for sale with Wi-Fi signals.
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