Coal dust is more explosive than natural gas

Science
Coal dust is more explosive than natural gas

While invisible gas is often feared in mines, microscopic dust particles can trigger a chain reaction far more violent than a typical gas leak.

Deep in a coal mine, the most dangerous threat isn't just the methane gas—it is the very rock being excavated. When coal is ground into fine particles smaller than a grain of salt, it becomes a high-energy fuel that stays suspended in the air. While natural gas needs a significant spark to ignite, this dust can explode with just 30 millijoules of energy, roughly the same static shock you feel from touching a doorknob after walking on carpet.

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