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t. e. Stir frying ( Chinese: 炒; pinyin: chǎo; Wade–Giles: ch'ao3; Cantonese Yale: cháau) is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and the West.
The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image. A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours.
Friction stir welding ( FSW) is a solid-state joining process that uses a non-consumable tool to join two facing workpieces without melting the workpiece material. [ 1][ 2] Heat is generated by friction between the rotating tool and the workpiece material, which leads to a softened region near the FSW tool. While the tool is traversed along the ...
Arrow pushing or electron pushing is a technique used to describe the progression of organic chemistry reaction mechanisms. [ 1] It was first developed by Sir Robert Robinson. In using arrow pushing, "curved arrows" or "curly arrows" are drawn on the structural formulae of reactants in a chemical equation to show the reaction mechanism.
A heartwarming display of sportsmanship by two American gymnasts has won praise from fans in a viral moment that lit up social media and is likely to become an enduring image of the Paris Olympics.
Line moiré is one type of moiré pattern; a pattern that appears when superposing two transparent layers containing correlated opaque patterns. Line moiré is the case when the superposed patterns comprise straight or curved lines. When moving the layer patterns, the moiré patterns transform or move at a faster speed.
Napa cabbage ( Brassica rapa subsp. pekinensis, or Brassica rapa Pekinensis Group) is a type of Chinese cabbage originating near the Beijing region of China that is widely used in East Asian cuisine. Since the 20th century, it has also become a widespread crop in Europe, the Americas, and Australia. In much of the world, it is referred to as ...
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