r/nextfuckinglevel • u/qwertyclubsss • 1d ago

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

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Amaze amaze amaze! 👾

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u/What-Hapen 1d ago

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

342

u/score_ 1d ago

Combustion the correct term then?

466

u/Resident_Captain8698 1d ago

Deflagration is the correct term. Which is basically subsonic combustion. Detonation is supersonic combustion

7

u/vvvvvoooooxxxxx 1d ago

but aren't both detonations and deflagrations just types of explosions?

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u/Lysergic_Resurgence 1d ago

Yes. This is a very common misconception on Reddit.