The batteries are definitely not in the base https://youtu.be/7jldc-k3Blg?t=1248
Then they are doing a scheme like .
Or they got their hands on some and hid it in the plexiglass, running wires through the metal table to the transparent conductive material.
>The Cota system delivers a few watts of power at close range but drops down to milliwatts with distance and stops being meaningful at around 30 feet. Efficiency is a thorny issue, as there’s a large discrepancy between the power you spend and the power you recover.
You're talking about charging a phone here, there's much more power involved with that engine than there's in charging 10 androids
They could easily do it with microwaves, but my money is on a transparent conductor through the plexiglass.
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