4 ms·

And then you have a bottle of what is colloquially termed “bang-gas”, which is happy to release all the gathered energy in a joyous millisecond detonation.

• adrianN 2y ago
  It looks like you have a bottle of oxygen and one of hydrogen.
  • Filligree 2y ago
    And they happen to be the same bottle.
    • adrianN 2y ago
      If you carefully look at the picture, you'll see two bottles surrounding the whisks and the text says "a pair of PET bottles".