If you have come across the classic drinking bird toy, then you have probably scratched your head to wonder how it works. You might not have succeeded in explaining the science behind the toy but it is nothing to be ashamed of. Even Einstein was baffled by it and could not explain it.
Engineerguy Bill Hammack disassembled the toy to understand the engineering and mechanics behind it and it was based on of the most perfect thermodynamic principles. What looks like red water inside the toy is actually methylene chloride which boils and turns to vapour at room temperature.
Watch the video below to see how the drinking bird toy actually works.
Absolutely superb explanation