• JATth@lemmy.world
    link
    fedilink
    English
    arrow-up
    10
    ·
    18 hours ago

    Put some lye and aluminum foil in a cup without a handle.

    Place a can over the cup with a small hole.

    Wait a bit.

    Light the hydrogen.

    It will also hurt a lot if your finger is on top of the can when you light it because the can will simply dissapear for few seconds.