the.com/flint

a humble rock that taught humans to summon fire and aim a spear.

means A hard, fine-grained variety of quartz that fractures into sharp edges and throws sparks when struck against steel, prized since the Stone Age for making tools and starting fires.

from From Old English 'flint,' a word with deep Germanic roots — kin to Old Saxon and Danish 'flint' and the Swedish 'flinta.' Many trace it further back to a Proto-Indo-European source meaning 'to split' or 'to flake,' which fits a stone defined by how it breaks. The same hardness gave us 'flinty' for an unyielding heart and 'flintlock' for the gun whose spark relied on it.

spark trick
Strikes steel to throw burning iron shavings, not stone
stone age tech
Knapped into blades sharper than surgical steel
hidden chalk
Forms inside chalk from ancient dissolved sea sponges
gunpowder era
Flintlock muskets dominated warfare for two centuries
town namesake
A Michigan city carries its hard, stubborn name
for instance

flint michigan water crisis — city's drinking water contaminated with lead starting 2014, affecting 100,000+ residents

flint knapping — stone tool technique used by humans for 2+ million years to create sharp edges

flint michigan sit-down strike — uaw workers occupied general motors factory for 44 days in 1936-37, won union recognition

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