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The drinking bird is a heat engine that exploits a temperature difference to convert heat energy to a pressure difference within the device, and performs mechanical work. Like all heat engines, the drinking bird works through a thermodynamic cycle. The initial state of the system is a bird with a wet head oriented vertically.
It is a stocky grey bird with a head sometimes tinged with brown, and white feathers on the eyelids that cause the eyes to flash white as the bird blinks. It is 16.5 cm (6.5 in) long, has a wingspan of 23 cm (9.1 in), [2] and weighs on average 46 g (1.6 oz). The name "dipper" derives from its long legs, which it uses to bob its whole body up ...
White-throated dipper (C. cinclus). Dippers are small, chunky, stout, short-tailed, short-winged, strong-legged birds. The different species are generally dark brown (sometimes nearly black), or brown and white in colour, apart from the rufous-throated dipper, which is brown with a reddish-brown throat patch.
Scientists in Hong Kong and China have used the famous toy, also known as the “Dippy Bird,” to develop an engine capable of using the power of water evaporation to generate electricity ...
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
2g Other birds: Tawny owl (Strix aluco) [100] date uncertain Europe (including the United Kingdom) pest control, show, pets 2g Other birds: Puna ibis (Plegadis ridgwayi) date uncertain Peru: meat, eggs, pest control 2g Other birds: Celebes warty pig (Sus celebensis) [101] date uncertain Sulawesi: meat, tusks, pets Historically farmed 1a ...
Image credits: danngree People just seem to love dogs, and it’s estimated that over 65 million American households own one.It’s not just the fact that they look cute, but these pooches also ...
The name cinclus is from the Ancient Greek word kinklos that was used to describe small tail-wagging birds that resided near water. [4] Of the five species now placed in the genus, a molecular genetic study has shown that the white-throated dipper is most closely related to the other Eurasian species, the brown dipper ( Cinclus pallasii ).