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A drinking bird, also known as the dunking bird, drinky bird, water bird, and dipping bird, [1] [2] [3] is a toy heat engine that mimics the motions of a bird drinking from a water source. They are sometimes incorrectly considered examples of a perpetual motion device.
English: Bill reveals the operation and engineering design underlying the famous drinking bird toy. In this video he explores the role played by the water the bird "drinks," shows what is under the bird's hat and demonstrates that it can operate using heat from a light bulb or by "drinking" whiskey.
English: The drinking bird is a heat engine that exploits a temperature differential to convert heat energy to a pressure differential within the device, and perform mechanical work. Licensing Public domain Public domain false false
But using the drinking bird method, scientists have managed to generate an output of 100 volts using just 100 millilitrers of water, enough to power small electronic devices.
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The drinking bird is dating back to 1910s~1930s. The drinking bird was patented in the US in 1945 [8] and 1946 [9] by two different inventors. drinking bird US patents;
Drinking is the act of ingesting water or other liquids into the body through the mouth, proboscis, or elsewhere. Humans drink by swallowing , completed by peristalsis in the esophagus . The physiological processes of drinking vary widely among other animals .
Looking for shortcuts, he leaves his terminal with a drinking bird to press the Y key to indicate "yes" on the keyboard and goes to the cinema. After being denied admission due to his weight and getting teased by people outside the theater, Homer returns to his station to find that his bird has fallen over and a nuclear meltdown is imminent ...