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  2. Drinking bird - Wikipedia

    en.wikipedia.org/wiki/Drinking_bird

    Drinking birds, also known as dunking birds, drinky birds, water birds, or dipping birds [1] [2] [3] are toy heat engines that mimic the motions of a bird drinking from a water source. They are sometimes incorrectly considered examples of a perpetual motion device.

  3. Heron's fountain - Wikipedia

    en.wikipedia.org/wiki/Heron's_fountain

    Heron's fountain is not a perpetual motion machine. [2] If the nozzle of the spout is narrow, it may play for several minutes, but it eventually comes to a stop. The water coming out of the tube may go higher than the level in any container, but the net flow of water is downward.

  4. Timeline of heat engine technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_heat_engine...

    Approx 1910 an unknown inventor produces the toy ''Drinking bird'', a toy bird that oscillates continuously on a pivot powered by the evaporation and condensation of a volatile liquid. A wet end and a dry end of the toy produce a slight temperature difference through the evaporation of water.

  5. 32 tips for taking care of pet birds - AOL

    www.aol.com/32-tips-taking-care-pet-080000456.html

    Pet bird drinking water. Fresh water is essential for all pets and birds are included. So make sure you provide your feathered friend with fresh and clean water 24 hours a day — and try to ...

  6. Perpetual motion - Wikipedia

    en.wikipedia.org/wiki/Perpetual_motion

    Robert Fludd's 1618 "water screw" perpetual motion machine from a 1660 wood engraving.It is widely credited as the first attempt to describe such a device. [note 1] [1] Something for Nothing (1940), a short film featuring Rube Goldberg illustrating the U.S. Patent Office's policy regarding perpetual motion machines (and the power efficiency of gasoline)

  7. Judge upholds guilty plea of Trump co-defendant Kenneth ...

    www.aol.com/judge-upholds-guilty-plea-trump...

    The judge's ruling nixes effort by Kenneth Chesebro, a Trump election lawyer in 2020, to say his guilty plea violated his right to due process.

  8. Is a cracked egg ever safe to eat? What you must know - AOL

    www.aol.com/cracked-egg-ever-safe-eat-100041198.html

    Egg production in the U.S. dropped 4% in November as the price of eggs and cases of bird flu continue to rise across the country, according to a report from the U.S. Department of Agriculture ...

  9. History of perpetual motion machines - Wikipedia

    en.wikipedia.org/wiki/History_of_perpetual...

    An engraving of Robert Fludd's 1618 "water screw" perpetual motion machine. The history of perpetual motion machines dates at least back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but modern theories of thermodynamics have shown that they are impossible. Despite this, many attempts ...

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