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Some 2-3 years ago I did an interview where I stood inside one of our hydrogen generator shacks (with the generator running) and poked a balloon filled with hydrogen with a lit cigar — twice. No fire, no explosion, either time. It’s not a super hit, but it’s gotten over 5000 views so far. Here it is

3 thoughts on “Hydrogen gas is not as explosive or flammable as you think”

  1. Pingback: The Hindenburg: mainly the skin burnt | REB Research Blog

  2. Rich Fezza

    Flammable gases have an upper and lower explosion limit. Your balloon was above the UEL. That’s why it put your cigar out. There wasn’t enough oxygen in the balloon to support combustion.

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  3. Pingback: Thermodynamics of hydrogen generation | REB Research Blog

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