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18th-century baking oven (American-European) The primitive clay oven, or earthen oven / cob oven, has been used since ancient times by diverse cultures and societies, primarily for, but not exclusive to, baking before the invention of cast-iron stoves, and gas and electric ovens.
An earth oven, ground oven or cooking pit is one of the simplest and most ancient cooking structures. The earliest known earth oven was discovered in Central Europe and dated to 29,000 BC. [ 1 ] At its most basic, an earth oven is a pit in the ground used to trap heat and bake, smoke, or steam food.
A double oven A ceramic oven. An oven is a tool that is used to expose materials to a hot environment. Ovens contain a hollow chamber and provide a means of heating the chamber in a controlled way. [1] In use since antiquity, they have been used to accomplish a wide variety of tasks requiring controlled heating. [2]
3000 BC: Receipt in Ancient Mesopotamia [165] 3000 BC – 2800 BC: Prosthesis first documented in the Ancient Near East, in ancient Egypt and Iran, specifically for an eye prosthetics, the eye found in Iran was likely made of bitumen paste that was covered with a thin layer of gold. [166] 3000 BC – 2500 BC: Rhinoplasty in Egypt. [167] [168]
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1983: Kary Mullis invents the polymerase chain reaction, a key discovery in molecular biology; 1986: Karl Müller and Johannes Bednorz: Discovery of High-temperature superconductivity; 1988: Bart van Wees and colleagues at TU Delft and Philips Research discovered the quantized conductance in a two-dimensional electron gas.
The control of fire by early humans was a critical technology enabling the evolution of humans. Fire provided a source of warmth and lighting, protection from predators (especially at night), a way to create more advanced hunting tools, and a method for cooking food.
Thanks to Crock-Pots and other slow cookers, it's possible to come home to a fully-prepared (and hearty) dinner after a long day without having to whip out your cutting board and turn on the stove.