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Fluorescent green-dyed antifreeze is visible in the radiator header tank when car radiator cap is removed. Most automotive engines are "water"-cooled to remove waste heat, though the "water" used is actually a mixture of water and antifreeze.
In the case of an over-filled radiator (or header tank) pressure is vented by allowing a little liquid to escape. This may simply drain onto the ground or be collected in a vented container which remains at atmospheric pressure. When the engine is switched off, the cooling system cools and liquid level drops.
The "exposed radiator cap became a focal point for automobile personalization." [4] Hood ornaments were popular in the 1920s, 1930s, 1940s, and 1950s, with many automakers fitting them to their vehicles. They also serve to differentiate cars and the ornaments were inspired by animals, mythological figures, and the automakers' logos. [5]
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The Roman hypocaust is an early example of a type of radiator for building space heating. Franz San Galli, a Prussian-born Russian businessman living in St. Petersburg, is credited with inventing the heating radiator around 1855, [1] [2] having received a radiator patent in 1857, [3] but American Joseph Nason and Scot Rory Gregor developed a primitive radiator in 1841 [4] and received a number ...
A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
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When asked if he would sign off if Kennedy decided to end childhood vaccinations programs, Trump told Time magazine, "we're going to have a big discussion. If you look at things that are happening ...