Study: Hot Vesuvian ash cloud really did turn a brain to glass

Fresh analysis with calorimetry, X-rays, electron microscopy lend support to hotly debated theory.

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[Fatesrider]

what is organic glass? what is its composition? it doesn't seem to have a universal meaning, and there are some commercial products that call themselves organic glass.

There shouldn't be much silicon in a brain, so is the organic glass a mostly carbon substance? almost like coal?

Given the circumstances and descriptions, if you take an organic thing and glassify it, it becomes a kind of organic based glass, or organic glass.

"Organic glass" is usually a polymer, so using the same term for two things that probably greatly differ in composition, it's more about creating a glass-like material out of purely organic materials, rather than creating a glass out of polymers.

That may be why it's confusing. What was discovered isn't polymer-based "organic glass". It's biologically based material that's been glassified.