1. Place your
candle just behind the round cylinder
/ container. This could
be a large soda bottle.
2. Light the candle.
3. Go to the front of the bottle / container and blow against it (from the front) at the candlelight
height / level.
did you think would happen?
works the same with liquids.
The fluid or air tends
to flow (follow) the contour of
the round container.
flow of air meets on the other side
of the container, they join together
to blow out the candle - incredible!