alt Hacker NewsYes, but a rectifier only rectifies. That's not going to give you DC-DC conversion - let alone converting it to a higher voltage for long-distance transmission.
Yes, but a rectifier only rectifies. That's not going to give you DC-DC conversion - let alone converting it to a higher voltage for long-distance transmission.
DC-DC before the transistor was difficult to do at scale. Vibrators and relays existed but were not reliable long term.