Final, sorry: Technology During The 20th Century
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| I Am A Born Leader | China has been the source of many innovations, scientific discoveries and inventions. This includes the Four Great Inventions: papermaking, the compass, gunpowder, and printing (both woodblock and movable type).The list below contains these and other inventions in China attested by archaeological or historical evidence. The historical region now known as China experienced a history involving. 5 hours ago · Annual Report - Universal Registration Document for Publicis Groupe S.A. During the first years since this breakthrough, motion pictures usually lasted about 50 seconds, lacked synchronized sound and natural colour, and were mainly exhibited as novelty attractions. During the 20th century, movies grew much longer and the medium quickly developed into one of the most important tools of communication and entertainment. |
Technology During The 20th Century - that
Kettering develops the electric cash register. Sperry invents the gyrocompass. Brandenberger invents cellophane. Geiger and W. Collip and J. MacLeod isolate insulin. Diemer invents bubble gum. Drew, a 3M engineer, invents scotch tape. Hollingshead invents the first drive-in movie theatre which he showcases in his driveway.Technology During The 20th Century - how
The following is a list of the Four Great Inventions—as designated by Joseph Needham — , a British scientist, author and sinologist known for his research on the history of Chinese science and technology. Although it is recorded that the Han Dynasty BC — AD court eunuch Cai Lun 50 AD — AD invented the pulp papermaking process and established the use of new materials used in making paper , ancient padding and wrapping paper artifacts dating to the 2nd century BC have been found in China, the oldest example of pulp papermaking being a map from Fangmatan , Tianshui ; [10] by the 3rd century, paper as a writing medium was in widespread use , replacing traditional but more expensive writing mediums such as strips of bamboo rolled into threaded scrolls, strips of silk , wet clay tablets hardened later in a furnace, and wooden tablets. Tom says this process was gradually improved through leaching, polishing and glazing to produce a smooth, strong paper. Woodblock printing : The earliest specimen of woodblock printing is a single-sheet dharani sutra in Sanskrit that was printed on hemp paper between and AD; it was unearthed in from a Tang tomb near Xi'an. However, the earliest known book printed at regular size is the Diamond Sutra made during the Tang Dynasty — , a 5. Technology During The 20th Century.
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The technology of film emerged mostly from developments and achievements in the fields of projectionlensesphotography and optics. Very occasionally, the camera more info was used to project theatrical spectacles to entertain small audiences. It is believed that the technique was more commonly used by charlatanspriests and wizards to conjure up magical, religious and necromantic appearances, for instance of spiritual beings like ghosts, gods or demons.
The use of a lens in a camera obscura has been dated back to In the 17th Technology During The 20th Century, the camera obscura was a popular drawing aid and commonly turned into a mobile device, first as tents and not much later as portable wooden boxes. Starting around with the experiments of Thomas Wedgwoodthe box-type camera obscura would be adapted into a photographic still camera by capturing the projected images on plates or sheets that were treated with light-sensitive chemicals.
Around the magic lantern was developed by Christiaan Huygens. It projected slides that were usually painted in color on glass.
A sketch by Huygens believed to have been made inindicates that moving images from mechanical slides may have been part of the earliest screenings. Aroundthe magic lantern became an important instrument in the multi-media phantasmagoria spectacles. Rear projection, animated slides, multiple projectors superimpositionmobile projectors on tracks or handheldprojection on smoke, sounds, odors and even electric shocks were used to frighten audiences in dedicated theatres with a convincing ghost horror experience. In the 19th century, several other popular magic lantern techniques were developed, including dissolving views and new types of mechanical slides that created dazzling abstract effects chromatrope http://immigrant.com.tw/content/custom/narrative-essay-blank-faced-redemption/packet-hiding-methods-for-avoiding-attacks.php, Technology During The 20th Century cetera or that depicted, for instance, falling snow or the planets and their moons revolving.
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Many aspects of cinema are closely related to theatre. The term "photoplay", http://immigrant.com.tw/content/custom/the-removalists-summary/free-counseling-for-freedom-the-united-states.php used in the early days of cinema, reflects the idea of motion pictures as filmed plays.
Technologies used for the theatre, such as stage lighting and all kinds of special effects were automatically adopted for use in front of cameras.
Stampfer's Stroboscopische Scheibe No. When looking at a mirror through the holes of one series of apertures, that "wheel" Technology During The 20th Century to stand still while the others would appear to move around with different velocities or in opposite directions. The illustrated example of a pirouetting dancer demonstrated that if drawings of successive phases of a scene or object in motion replaced the apertures in Faraday's experiment, they would give the impression of fluent motion when viewed in the mirror through 20tth slots. In a booklet issued later that year, he explained the stroboscopic animation principles and stated to have discovered the technique in December soon after repeating Faraday's experiments.]
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