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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.
After the bird’s beak is dipped into a cup of water, it springs back into its natural upstanding position, and the water begins to evaporate and cool the head.
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.
A food truck is a large motorized vehicle (such as a van or multi-stop truck) or trailer equipped to store, transport, cook, prepare, serve and/or sell food. [1] [2]Some food trucks, such as ice cream trucks, sell frozen or prepackaged food, but many have on-board kitchens and prepare food from scratch, or they reheat food that was previously prepared in a brick and mortar commercial kitchen.
Many trucks and buses are highly customized and decorated by their owners. External truck decoration can cost thousands of dollars. [12] The decoration often contains elements that remind the truck drivers of home, since they may be away from home for months at a time. [13] The art is a mode of expression for the truck drivers. [14]
Before 2014, turning a vehicle into a food service truck was banned in South Korea over safety and sanitation concerns. [1] The ban was lifted in August 2014 by the President of South Korea at the time, Park Geun-Hye, as part of her deregulation efforts to help revitalise South Korea's economy and create new forms of employment in the country.
Dippy is a composite Diplodocus skeleton in Pittsburgh's Carnegie Museum of Natural History, and the holotype of the species Diplodocus carnegii.It is considered the most famous single dinosaur skeleton in the world, due to the numerous plaster casts donated by Andrew Carnegie to several major museums around the world at the beginning of the 20th century.
The birds in a truck riddle is a riddle that asks whether a container or a truck carrying birds changes in weight when the birds inside are flying. [1] The television series MythBusters investigated the question in a 2007 episode, testing it both with a box of pigeons and again with a model helicopter. They concluded that the contents being in ...