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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.
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.
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.
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 ...
Unilateral branch stripping is the most likely feeding behavior of Diplodocus, [85] [86] [87] as it explains the unusual wear patterns of the teeth (coming from tooth–food contact). In unilateral branch stripping, one tooth row would have been used to strip foliage from the stem, while the other would act as a guide and stabilizer.
Dippin' Dots are stored and transported at –40 degree Fahrenheit (–40 °C), which is colder than most frozen foods require. The company's development of ultra low temperature freezers, proper storage and transportation got the company involved from about 1988 with selling their equipment for other uses, such as preserving microbiological cultures for fermentation.