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Practical Power Beaming Gets Real

Cars That Think

Who, after all, hasn’t tired of having to plug in and unplug their phone and other rechargeable gizmos? Indeed, it’s hard to recharge or power a device when the air gap is just a few centimeters, much less a few meters. In a separate demonstration, they were able to deliver more than 30 kilowatts over a distance of about a mile (1.6

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