Comment: Back when Tesla used the term, radio hadn't been proven.

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In reply to comment: Scalar beams? (see in situ)

Back when Tesla used the term, radio hadn't been proven.

Now we use Microwave ovens to heat our foods.

MASERs and LASERs produce coherent waves.

It's all EM radiation. Nothing that isn't covered by Maxwell's Equations.

But, backed with Megawatt power plants the potential for powerful weapons seems likely if focused into a standing wave, for example.

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