a2r7g90

a2r7g90 t1_j249y9s wrote

Reply to ELI5 why do electric vehicles have one big battery that's hard to replace once it's expired, rather than lots of smaller ones that could be swapped out based on need (to trade off range/power/weight)? by ginonofalg

It can be swapped cell by cell, car knows which ones are done and which still have capacity. But it's not easy.

-anti theft -they want to see the car again to tell what could be done better, harder it is, more cars will come back because more people will be unable to do it in garage. -its new thing with new hazards

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a2r7g90 t1_iujdndm wrote

Reply to Eli5: how is it possible that a wooden barrel, which is used for aging alcohol, does not rot away. by OrneryGringo

Becouse there is the chemical balance tilted, so only bacteria that are needed to make alcohol out of it will live through that. Things that would usually take over and do the rotting can't live there. Things don't rot by themselves, there is fungus and bacteria doing it, and they need usual environment to live. There is ton of CO2 created in that process, that taxes O2 away, that's main cause of death of things in this kind of basement, including people.

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