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The history of film chronicles the development of a visual art form created using film technologies that began in the late 19th century. The advent of film as an artistic medium is not clearly defined. There were earlier cinematographic screenings by others, however, the commercial, public screening of ten Lumière brothers ' short films in ...
Tweezers. Two types of modern-day conventional metal tweezers with pointed tips. A pair of bronze tweezers attributed to the Minoan civilization, c. 2900–1050 B.C. Tweezers are small hand tools used for grasping objects too small to be easily handled with the human fingers. Tweezers are thumb-driven forceps most likely derived from tongs used ...
t. e. The wax argument or the sheet of wax example is a thought experiment that René Descartes created in the second of his Meditations on First Philosophy. He devised it to analyze what properties are essential for bodies, show how uncertain our knowledge of the world is compared to our knowledge of our minds, and argue for rationalism. [1] [2]
At 6.5 inches long and 1.5 inches wide, this handle provides a strong grip that's large enough for even the biggest hand. It's easy to use, too — it hooks into the door latch for a secure fit ...
The most visually distinctive feature of the Chemex is the heatproof wooden collar around the neck, which allows it to be easily handled and poured when full of hot coffee. The collar is turned and then split in two to allow it to fit around the glass neck. The two pieces are held loosely in place by a tied leather thong.
Nitroglycerin ( NG) (alternative spelling of nitroglycerine), also known as trinitroglycerol ( TNG ), nitro, glyceryl trinitrate ( GTN ), or 1,2,3-trinitroxypropane, is a dense, colorless or pale yellow, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the ...
It is more expensive than the other compounds, but is easily handled and is usually used by smaller utility companies. [37] It is toxic in gram quantities by ingestion or inhalation. [38] Fluorosilicic acid (H 2 SiF 6) is the most commonly used additive for water fluoridation in the United States. [39]
Decanter. Decanter with stopper. A decanter is a vessel that is used to hold the decantation of a liquid (such as wine) which may contain sediment. Decanters, [ 1] which have a varied shape and design, have been traditionally made from glass or crystal. Their volume is usually equivalent to one standard bottle of wine (0.75 litre).