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A wallpaper is a mathematical object covering a whole Euclidean plane by repeating a motif indefinitely, in manner that certain isometries keep the drawing unchanged. For each wallpaper there corresponds a group of congruent transformations, with function composition as the group operation. Thus, a wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical ...
A "facebook" is a student directory featuring photos and basic information. [9] In 2003, there were no universal online facebooks at Harvard, with only paper sheets distributed [10] and private online directories. [11] [12] Zuckerberg told the Crimson that "Everyone's been talking a lot about a universal face book within Harvard. ... I think it's kind of silly that it would take the University ...
Wallpapers can come plain as "lining paper" to help cover uneven surfaces and minor wall defects, "textured", plain with a regular repeating pattern design, or with a single non-repeating large design carried over a set of sheets. The smallest wallpaper rectangle that can be tiled to form the whole pattern is known as the pattern repeat.
Painting is a visual art, which is characterized by the practice of applying paint, pigment, color or other medium to a solid surface (called the "matrix" [1] or "support"). [2] The medium is commonly applied to the base with a brush, but other implements, such as knives, sponges, and airbrushes, may be used.
Several of Berkshire Hathaway's best-known holdings aren't attractive to newcomers, but a few of its lesser-touted tickers are priced right.
Doing this type of exercise today creates 'stronger bones' four years later, according to a new study.“That will pay dividends for years,” an expert told 'WH.'
When the weather is hot and humid, wearing lightweight clothing in light colors is your best bet for staying cool. Stock up on these stylish white dresses while the price is right.
Cristiano Ronaldo is currently the most-followed individual on Facebook, with over 170 million followers. Shakira is currently the most-followed woman on Facebook, with over 123 million followers. This article contains a list of the top 50 accounts with the largest number of followers on the social media platform Facebook.