mleku on Nostr: Tesla was right about AC for long range transmission Edison was right about DC for ...
Tesla was right about AC for long range transmission
Edison was right about DC for household wiring
ever noticed the word "inverter" appearing on almost everything, air conditioners, refrigerators... because the long range transmission benefit comes with a disadvantage that all kinds of other EMF oscillations get picked up wherever the wires pass by without shielding (ie, everywhere) and in many cities the result is the AC power is more like the waveform of distortion bass guitar (yes i meant to say bass) and idk if you have ever played with distortion effects but the lower the frequency the more noisy and shitty it gets, and the less you can combine notes (some funk bass players do chords with bass, but this is only bearable with clean pickups and amps)
every house should have a hefty AC/DC converter that blows its waste heat into the hot water system and all of the house wiring should be 12V
it would also help a lot with reducing fire risk of electronic devices because not everything would have to have an AC/DC converter in it
a lot of power supplies have a lot of "noise" in the what is supposed to be sine-wave signal... UPS devices usually have fancy filters that soak up the noise and their output is highly sinusoidal, with very little higher frequency harmonics
they call this "dirty power" and it can destroy delicate electronics
though, a lot of the AC->DC converters in computers and chargers and such, the better quality ones, anyway, have meaty capacitors and FETs and whatnot to deliver a stable voltage... the dirty electricity can have negative health effects too if there is a lot of frequencies in ranges that disrupt our electromagnetic sensing organs (almost all organisms, even bacteria, are influenced by direction and oscillations in electromagnetic fields around them)
the effect can range from minor to debilitating but it can also be very bad for electrical devices
also some dodgy crappy china electronics like in washing machines and such can emit emf back into the house wiring that make the problem worse
Published at
2025-05-30 20:30:21Event JSON
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