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A spherometer is an instrument used for the precise measurement of the radius of curvature of a curved surface. Originally, these instruments were primarily used by opticians to measure the curvature of the surface of a lens .
Another snow sensor called a snow pillow looks like a round bag lying on the ground. Inside the pillow is a liquid such as an environmentally safe [citation needed] antifreeze. Usually the snow pillow will be connected to a manometer. The manometer reading will vary based on how much snow is sitting on the pillow.
An igloo (Inuit languages: iglu, [1] Inuktitut syllabics ᐃᒡᓗ (plural: igluit ᐃᒡᓗᐃᑦ)), also known as a snow house or snow hut, is a type of shelter built of suitable snow. Although igloos are often associated with all Inuit , they were traditionally used only by the people of Canada's Central Arctic and the Qaanaaq area of ...
Visualization of the sagitta. In geometry, the sagitta (sometimes abbreviated as sag [1]) of a circular arc is the distance from the midpoint of the arc to the midpoint of its chord. [2]
Isometric graph paper can be placed under a normal piece of drawing paper to help achieve the effect without calculation. In a similar way, an isometric view can be obtained in a 3D scene. Starting with the camera aligned parallel to the floor and aligned to the coordinate axes, it is first rotated horizontally (around the vertical axis) by ± ...
Simon Beck (born 1958) is a British snow artist and a former cartographer. Referred to as the world's first snow artist, he is primarily known for his landscape drawings and sculptures created from snow and sand. His work appeared in new media after he completed installations at Banff National Park in Alberta and Powder Mountain, Utah.
A Christmas card depicts the ideal of a white Christmas. A white Christmas in Trondheim. A white Christmas is a Christmas with the presence of snow, [1] either on Christmas Eve or on Christmas Day, depending on local tradition. The phenomenon is most common in the northern countries of the Northern Hemisphere.
Figure drawing by Leonardo da Vinci. A figure drawing is a drawing of the human form in any of its various shapes and postures, using any of the drawing media. The term can also refer to the act of producing such a drawing. The degree of representation may range from highly detailed, anatomically correct renderings to loose and expressive sketches.