Drink water bird cocktail glass (perpetual bird)

The drinking bird was designed by American Miles V. Sullivan in 1942. During these fifty or sixty years, this simple toy is crazy to all science lovers, He used simple scientific principles and basic mechanical structures to allow him to operate again and again, Nostalgic but regular nods, as if endless repetition, will keep you staring at her, I admire that there is such a genius in the world, can skillfully reduce complexity to simplicity, and make it so elegant and simple. https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_88046b27-b6fe-4c68-9564-b2e145b6cd7c.jpg The drinking bird is usually composed of two glass balls, connected by a thin glass tube, which extends to the bottom of the glass ball below. The upper glass ball constitutes the head of the drinking bird. The head has a long beak and is covered with water-absorbing foam. The bottom glass ball is the belly of the drinking bird. It is the neck. The whole drinking bird is placed on the stand and can swing freely. If you want the drinking bird to swing and make a drinking movement, you must first place a cup holding water in front of the drinking bird. Then wet the head, so that the drinking bird began to swing, constantly nodding towards the cup, making a drinking movement, The whole process does not require any source of power, and will not stop until the bird's beak cannot be pecked with water. https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_271ca715-5dac-4fa3-a615-57aaff678d48.jpg Graphic Drinking Bird (Source) However, some people also try to make drinking birds drink alcohol, perhaps because of the good drinking relationship, "drinking birds" will drink much faster than drinking birds. Those who are interested can buy two to go back to the game. At first glance, this perpetual drinking bird violates the laws of thermodynamics, and there is no external power, and the object will not swing spontaneously. What magical mechanism is inside a drinking bird, which can be used as a source of power for drinking birds? Even Einstein, the greatest contemporary scientist, was surprised by it. According to the "Sequel to Fun Physics" written by the famous Soviet writer Beleiman, Someone once gave this colored "water bird" with no internal secrets to Dr. Einstein, and told him that scientists don't mean that perpetual motion is impossible. Now let's look at this perpetual motion. When Einstein had seen and understood its principle, he was really amazed by the ingenious design of "Water Bird". Therefore, this toy is called "Einstein's surprised toy" by others. Product specifications ► Product content: one small waterfowl / one plastic wine glass ► Liquid color: red / blue (shipped randomly) ► Size: Height 16cm (including wine glass) / Height 8.5cm (single bird) ► Material: plastic, glass ► Origin: China Precautions: ► Applicable age is over 14 years old (Note: This is not a toy, the body of the bird is made of fragile glass, please use it under adult supervision.)