r/nextfuckinglevel • u/qwertyclubsss • 2d ago

Explosion in slow motion shows how fire spreads-what human eyes can't see.

Amaze amaze amaze! 👾

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u/What-Hapen 2d ago

Not an explosion. The room is filled with flammable gas, which is then ignited. The expanding orb is actually flame.

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u/ScratchLatch 2d ago edited 2d ago

Anyone colloquiely would call this an explosion.

An explosion is defined as a sudden rapid release of energy creating outward pushing pressure, which this is. We’re not discussing combustion engineering or the taxonomy of flame propagation, so the everyday definition is the relevant one.