Although it looked in some ways like a toy, students learned that the "drinking bird" was actually a simplified heat engine. The apparatus was relying on gravity shifts and a series of ...

The drinking bird toy, also called a "dippy bird," has been a fixture of science classrooms for decades. The toy consists of two glass bulbs connected by a glass tube with a highly volatile liquid ...

The action of the “Drinking Bird” is stopped when it is covered with a large bell jar. It resumes its motion when the bell jar is removed. The demonstration can be used to illustrate the expansion or ...