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In some lenses, the curved surfaces are replaced with flat surfaces, with a different angle in each section. Such a lens can be regarded as an array of prisms arranged in a circular fashion with steeper prisms on the edges and a flat or slightly convex center. In the first (and largest) Fresnel lenses, each section was actually a separate prism.
Cosmetics, first used in ancient Rome for ritual purposes, [ 1] were part of daily life. Some fashionable cosmetics, such as those imported from Germany, Gaul and China, were so expensive that the Lex Oppia tried to limit their use in 189 BCE. [ 2] These "designer brands" spawned cheap knock-offs that were sold to poorer women. [ 3]
The shape of the face in terms of "how everything hangs together" is an important determinant of beauty. [190] Women with thick, dark limbal rings in their eyes have also been found to be more attractive. The explanation given is that because the ring tends to fade with age and medical problems, a prominent limbal ring gives an honest indicator ...
Pair offers only about 10 frame styles each for men and women, with five available for kids. But you can choose from dozens of top options, everything from solid colors to holiday themes to "sun ...
Burke’s trick: She keeps the roller in the freezer to help reduce puffiness in the a.m. Burke is a fan of Knesko rose quartz gemstone roller to "wake up" her skin each morning. (Photo: Knesko ...
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [ 2]
Extremely thin nails may not be the best for acrylics. 4. It might be hard to spot, but infection below the nail bed can become all too real. This also goes back to overused, worn out nail tools ...
Feminine beauty ideal. The feminine beauty ideal is a specific set of beauty standards regarding traits that are ingrained in women throughout their lives and from a young age to increase their perceived physical attractiveness. It is experienced by many women in the world, though the traits change over time and vary in country and culture.