The idea is you can subscribe and interact with any instances, no matter what instance you came from

Sure, most will jump the bandwagon into lemmy.world.. at least for the near future. I can say that with confidence because when you search "how to join Lemmy", most guide will point you to Lemmy.world instead of.. lets say.. coughLemmynsfwcough

Over time, some will eventually move to other instance (mostly just the account, because they want 'cool username' for themselves). Sooner or later, things will balance themselves out.

Maybe you can even start by deploying your own instance, for no other reason than claiming your own 'cool username'.

store, not magnify.. although it can deal with 'ripples' and 'hiccups' in power delivery..

its capacity isn't that big, the title said so "32 kWh". for average house, it might only last for 6-ish hours of sustained use. that should be sufficient

with the exception of natural disaster, your power company should have less than 6 hours of power outage per year.

eh, flywheel is not that complicated. It's just a heavy spinning thing mounted on fixed axle, said axle is connected to motor/generator combo. Electricity in, motor spins that thing faster. Generator tap into that spin, it slows down and electricity flows out.

the problems would be on the 'how big this heavy spinning thing need to be', 'how to minimize friction', and most importantly 'how to actually build this thing and make sure it won't kill anyone'. because heavy spinning thing that suddenly got loose from its axle is a teeny-tiny-bit very lethal