Drinking Bird

Drinking Bird A classic toy that is really a heat engine. A simple, inexpensive device that demonstrates the cooling effect caused due to evaporation. Simply duck the bird’s head into a container filled of water to begin the bobbing motion. Subsequently, the thirsty bird will…

Drinking Bird

A classic toy that is really a heat engine. A simple, inexpensive device that demonstrates the cooling effect caused due to evaporation. Simply duck the bird’s head into a container filled of water to begin the bobbing motion. Subsequently, the thirsty bird will continue to drink so long as there is water in the container.