Wireless power would be worth the hype if it were widespread — modern life is burdened by a tangle of power cables and an endless hunt for plugs. But despite its potential, wireless power technology is still limited by range.
But Ericsson and PowerLight Technologies have made one dramatic form of wireless power, called optical beaming, work in a proof-of-concept experiment. Their demonstration showed that laser delivery of power to a portable 5G base station could be just around the corner.
The promise of wireless power: Wireless power is straight out of a sci-fi film: electrical power transmitted from place to place through a vacuum or the air. There is no need for wires, poles, outlets, or those pesky USB cubes, which are always lost when you need them most.
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