random ponderings of post-apocalyptic worlds.
Am i right in thinking that there's no reasonable way that folks would be able to build replacement batteries powerful enough to run a laptop for any useful amount of time without first rebuilding industry?
@masukomi I think building batteries would be difficult, but scavenging some could be fine. Also rigging up a small solar panel would easily allow a Raspberry Pi to run. Something like a kindle could run for weeks with very little energy. Biggest issue would be networking and software, as no internet/app-store.
@Yello @masukomi If this (problematic on many levels) project had had more success, your question would hit different. https://en.wikipedia.org/wiki/One_Laptop_per_Child
If we assume there’s an apocalypse, what options do we have to keep computers running in 100yrs? Power cords run to bicycles or dams through a power regulator?
I think options like that are our only option and the bikes one is dangerous to the, now precious computer, if the power dips
@ChrisHouhoulis @Yello I think, that this is probably one of the best options, but unfortunately I just realized there’s a secondary electrical problem with the keeping computers alive over the long term: capacitors. The problem with capacitors, is that they eventually explode just like batteries, although less impressively.
if you leave a computer sitting around long enough it will eventually quasi-self destruct as the capacitors eventually burst
@masukomi @ChrisHouhoulis on one hand, I would hope that if mankind had a hundred years, they could rebuild quite a bit, maybe even do some development beyond the potato battery with lead and acid instead. Depends a bit how much infrastructure is left and how many people are there. If there is a Benjamin Franklin around it might be quite fast (he died only 230 years ago)
I think it depends on the level of devestation. with regards to Ben Franklin, he was already in an industrial world. So...
a little research has revealed that you can, in fact, create a capacitor and transistor out of stuff you'd easily be able to scrap so, if you had a group of people who preserved the knowledge you could keep computers alive.
also, you could build new radios. Think WWII foxhole radios
the next problem would be powering a big transmitter but @ChrisHouhoulis already pointed to Dams, and storing power via the motion of heavy objects.
Given the value of radio communication, AND the number of Ham Radio geeks in the world, I think it's realistic to say that if humans continued to exist in any notable numbers, radio would probably never die before the next industrial revolution.
@Yello Solar panels aren’t a long term option. They dramatically degrade in output on the after a few decades. They’re dramatically effected by weather and season, and… most importantly you need a battery to store the output.
So, given the discussion of creating replacement batteries, they’re a non-starter.
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