Knowledge Matrix on Instagram: "Natural rubber doesn’t start in a factory. It begins inside rubber trees (Hevea brasiliensis), where a milky fluid called latex flows through microscopic channels beneath the bark. To collect it, workers carefully make thin, angled cuts on the tree’s bark. The cut is shallow — deep enough to reach latex vessels, but gentle enough to keep the tree healthy for decades. Once cut, latex slowly drips out, guided by gravity into a small cup. This process is called tappi

The $100 Million Machine That Turns Slime Into Your Favorite Office Supply

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