Semiconductors have advanced a lot in the last few decades so they also enable different transformers and transmission lines. Very low level materials science.

Semiconductors have advanced a lot in the last few decades so they also enable different transformers and transmission lines. Very low level materials science. China already has megavolt level UHVDC deployed: https://en.wikipedia.org/wiki/Ultra-high-voltage_electricity_transmission_in_China https://en.wikipedia.org/wiki/Ultra-high-voltage_electricity...