The physics of foam: Does tapping a soda can actually work?
In short: We have all seen the trick where tapping a shaken soda can prevents it from overflowing. This video puts that common myth to an experimental test to see if there is any real science behind the gesture.
The experiment, conducted by Karl Smallwood and Daven Hiskey, investigates whether physical intervention—specifically tapping the side of a pressurized container—can mitigate the rapid expansion of carbon dioxide and foam. By testing this action on shaken soda cans, the creators aim to determine if it is a functional mechanical solution or merely a persistent cultural myth.
The results provide an experimental proof regarding the behavior of pressurized liquids when agitated. Understanding these mechanics helps clarify how gas dynamics interact with surface tension in everyday objects.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: Does Tapping a Shaken Can of Soda Actually Reduce Foam?
To cite this card, link to https://intellectplus.co.uk/app/ideas-does-tapping-a-shaken-can-of-soda-actually-reduce-foam.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
