Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating ...
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Wireless electricity: Electricity flows through the air! Power supplied without wires – find out how this miracle happened.
Until now, it has been widely believed that wires are necessary to transmit electricity from one place to another.
The top layer represents the location of the sound source and the path of sound propagation (A). The bottom layers represent convergence zones with different sound propagation paths (B-F). Sound waves ...
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