the.com/canning
time travel for tomatoes, sealed with heat and a satisfying pop.
means a food preservation method that kills microbes with heat and seals out air so food stays edible for years.
from invented in 1809 when napoleon offered a cash prize for a way to keep his armies fed on the march; nicolas appert won by sealing food in glass jars and boiling it, decades before anyone understood germs were the actual enemy.
pasteur lagworked 50 years before germ theory explained why
tin cansoriginally opened with a hammer and chisel
botulism risklow acid foods need pressure canning, not boiling
shelf lifeproperly sealed cans can outlast the canner