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A camera obscura (pl. camerae obscurae or camera obscuras; from Latin camera obscūra 'dark chamber') [1] is the natural phenomenon in which the rays of light passing through a small hole into a dark space form an image where they strike a surface, resulting in an inverted (upside down) and reversed (left to right) projection of the view outside.
An 18th-century artist utilizing a camera obscura for image tracing. The camera obscura (from the Latin for 'dark room') is a natural optical phenomenon and precursor of the photographic camera. It projects an inverted image (flipped left to right and upside down) of a scene from the other side of a screen or wall through a small aperture onto ...
The camera obscura was well known for centuries and documented by Ibn al-Haitham in his Book of Optics of 1011–1021. In 13th-century England Roger Bacon described the use of a camera obscura for the safe observation of solar eclipses, exactly because the viewer looks at the projected image and not the sun itself.
Archaeo-optics, or archaeological optics, is the study of the experience and ritual use of light by ancient peoples.Archaeological optics is a branch of sensory archaeology, which explores human perceptions of the physical environment in the remote past, and is a sibling of archaeoastronomy, which deals with ancient observations of celestial bodies, and archaeological acoustics, which deals ...
late-9th or early-10th century: National Museum of Ireland – Archaeology: 40: Silver cone: mid-10th century: National Museum of Ireland – Archaeology: 41: Carved crook: early-11th century: National Museum of Ireland – Archaeology: 42: Breac Maodhóg: late-11th century: National Museum of Ireland – Archaeology: 43: Clonmacnoise Crozier ...
The Book of Optics was translated into Latin by an unknown scholar at the end of the 12th (or the beginning of the 13th) century. [2]: 209–210 [15] The work was influential during the Middle Ages. [2]: 86. [16] It was printed by Friedrich Risner in 1572, as part of his collection Opticae thesaurus.
1021. Death of Mac Cú Ceanain, King of Uí Díarmata.; 1022. Niall mac Eochada defeats the Dublin Norse at sea. [8]Death of Mael Seachnaill II, Overking of the Uí Néill, who had reigned since 980, [2] and who became King of Ireland on the death of Brian Boru in 1014 and ruled until his death.
Camera Obscura & World of Illusions is a tourist attraction located in Outlook Tower on the Castlehill section of the Royal Mile close to Edinburgh Castle. The original attraction was founded by entrepreneur Maria Theresa Short in 1835 and was exhibited on Calton Hill.
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