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Albert V. Sadacca (February 6, 1901 – December 8, 1980 [1]) is credited with popularizing electric Christmas tree lights for private use. According to the legend, in 1917, at the age of 15, after a fire in New York City started by candles suspended in a tree, Sadacca adapted the novelty lighting that his parents sold for use in Christmas trees.
Cut evergreen trees were used in 1923 and from 1954 to 1972. Living trees were used from 1924 to 1953, and again from 1973 to the present (2011). In the list below, the height of the cut tree is the height of the tree when raised at the White House. The height of the living tree is the height when it was first planted.
A Christmas tree inside a home, with the top of the tree containing a decoration symbolizing the Star of Bethlehem. [18]The Christmas tree was first used by German Lutherans in the 16th century, with records indicating that a Christmas tree was placed in the Cathedral of Strassburg in 1539, under the leadership of the Protestant Reformer, Martin Bucer.
Typical Christmas Card Lane display. Christmas Card Lane is a holiday light display in San Diego, California, in the community of Rancho Penasquitos.It is one of the most famous holiday displays in San Diego.
A living Christmas tree. A Singing Christmas Tree, sometimes called a Living Christmas Tree, is an artificial Christmas tree filled with singers used as part of nativity plays. Constructed of steel, the tree is actually a conical circular sector where between one-third and one-half of an actual Christmas tree is shown. Depending upon tree size ...
Macro photography of a natural snowflake. A snowflake is a single ice crystal that is large enough to fall through the Earth's atmosphere as snow. [1] [2] [3] Snow appears white in color despite being made of clear ice. This is because the many small crystal facets of the snowflakes scatter the sunlight between them. [4]
Wilson Alwyn Bentley (February 9, 1865 – December 23, 1931), also known as Snowflake Bentley, was an American meteorologist and photographer, who was the first known person to take detailed photographs of snowflakes and record their features. [1]
In 3D computer graphics, a wire-frame model (also spelled wireframe model) is a visual representation of a three-dimensional (3D) physical object. It is based on a polygon mesh or a volumetric mesh, created by specifying each edge of the physical object where two mathematically continuous smooth surfaces meet, or by connecting an object's constituent vertices using (straight) lines or curves.