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Silly String is an aerosol with a flammable propellant • A sparkler burns at ~1,000–1,600°C • Spraying directly through the sparkler’s spark stream ignites the aerosol instantly • The flame travels back along the spray path (called a flashback) • Hair products, hair itself, and oxygen around the head let the fire flare up fast So it’s not the string slowly burning — it’s a fireball effect caused by the aerosol mist hitting a constant ignition source. | StrangeandTerrifying
0:26
Silly String is an aerosol with a flammable propellant • A sparkler burns at ~1,000–1,600°C • Spraying directly through the sparkler’s spark stream ignites the aerosol instantly • The flame travels back along the spray path (called a flashback) • Hair products, hair itself, and oxygen around the head let the fire flare up fast So it’s not the string slowly burning — it’s a fireball effect caused by the aerosol mist hitting a constant ignition source. | StrangeandTerrifying
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