Now comes a variation of the inductive power transfer technology contemporary electric toothbrushes use (I now understand why there are neither metal power points on my charger nor a step-down transformer) for electric streetcars. The Transport Politic explains the advantages.
When passing overhead, streetcars convert the field to electricity used to power the train; in other words, the trains receive their power without contact through inductive power. This is major achievement. The charge is only activated when the circuit is completed covered by the vehicle, which ensures that pedestrians can never come into contact with electricity.Unlike my electric toothbrush, the system is capable of regenerative braking, returning power inductively to the grid. Now if those tramcars would have some of the grace of a Niles interurban or a bipolar ...
I've wondered about powering the model trains with something out of Nikola Tesla. This technology appears to do that at full scale, without the high-frequency transients the Tesla wireless power systems had.
(Via The Overhead Wire: The Overhead Wire is Done).