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An electric plate cooktop. A cooktop (American English), stovetop (Canadian and American English) or hob (British English), is a device commonly used for cooking that is commonly found in kitchens and used to apply heat to the base of pans or pots. Cooktops are often found integrated with an oven into a kitchen stove but may also be standalone ...
A glass-ceramic cooktop (2005) Early electric stoves had resistive heating coils which heated iron hotplates, on top of which the pots were placed. [13] Eventually, composite heating elements were introduced, with the resistive wires encased in hollow metal tubes packed with magnesite. [14] These tubes, arranged in a spiral, support the ...
Indonesian traditional brick stove, used in some rural areas An 18th-century Japanese merchant's kitchen with copper Kamado (Hezzui), Fukagawa Edo Museum. Early clay stoves that enclosed the fire completely were known from the Chinese Qin dynasty (221 BC – 206/207 BC), and a similar design known as kamado (かまど) appeared in the Kofun period (3rd–6th century) in Japan.
The first patents were issued in the early 1900s. [2] Demonstration stoves were shown by the Frigidaire division of General Motors in the mid-1950s [3] on a touring showcase. . The induction cooker was shown heating a pot of water with a newspaper placed between the stove and the pot, to demonstrate the convenience and saf
Cooks at the Northern Lights Dining Room, Seattle, Washington, 1952. A flattop grill being used is located on the right. A flattop grill is a cooking appliance that resembles a griddle but performs differently because the heating element is circular rather than straight (side to side).
Today, there are two major types of electrical stoves with cooktops made of glass-ceramic: A radiant heating stove uses coils or infrared halogen lamps as the heating elements. The surface of the glass-ceramic cooktop above the burner heats up, but the adjacent surface remains cool because of the low heat conduction coefficient of the material.
Not all non-stick pans use Teflon; other non-stick coatings have become available. For example, a mixture of titanium and ceramic can be sandblasted onto the pan surface, and then fired at 2,000 °C (3,630 °F) to produce a non-stick ceramic coating. [19] Ceramic nonstick pans use a finish of silica (silicon dioxide) to prevent sticking.
In 1953 S. Donald Stookey of the Corning Research and Development Division accidentally discovered Pyroceram, a white glass-ceramic material capable of withstanding a thermal shock of up to 450 K (840 °F). He was working with photosensitive glass and placed a piece in a furnace, planning on heating it to 600 degrees Fahrenheit.