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These three results coincide with gamma correction of the bottom layer with γ=2 (for top black), unchanged bottom layer (or, what is the same, γ=1; for top neutral gray), and γ=0.5 (for top white). The formula used by Photoshop as of 2012 has a discontinuity of local contrast, and other formulas correct it. Photoshop's formula is: [6]
Video of hot water being poured into a "magic mug" and the subsequent colour change A promotional magic mug filled with a hot liquid (left) and empty (right). A magic mug, also known as a heat changing mug, transforming mug, or disappearing mug is a mug that changes color when it is filled with a hot liquid.
Convex regular polygons can also form plane tilings that are not edge-to-edge. Such tilings can be considered edge-to-edge as nonregular polygons with adjacent colinear edges. There are seven families of isogonal figures , each family having a real-valued parameter determining the overlap between sides of adjacent tiles or the ratio between the ...
An example of a convex polygon: a regular pentagon. In geometry, a convex polygon is a polygon that is the boundary of a convex set. This means that the line segment between two points of the polygon is contained in the union of the interior and the boundary of the polygon. In particular, it is a simple polygon (not self-intersecting). [1]
A mug of coffee with cream. A mug is a type of cup, [1] a drinking vessel usually intended for hot drinks such as: coffee, hot chocolate, or tea. Mugs usually have handles and hold a larger amount of fluid than other types of cups such as teacups or coffee cups. Typically, a mug holds approximately 250–350 ml (8–12 US fl oz) of liquid. [2]
This illustrates that a coffee mug and a donut are homeomorphic. In mathematics and more specifically in topology , a homeomorphism ( from Greek roots meaning "similar shape", named by Henri Poincaré ), [ 2 ] [ 3 ] also called topological isomorphism , or bicontinuous function , is a bijective and continuous function between topological spaces ...
Four intersections of a line and a convex curve (here, a pentagon), top–bottom: the empty set, one point, two points, and an interval. For a convex curve, every line in the plane intersects the curve in one of four ways: its intersection can be the empty set, a single point, a pair of points, or an interval.
Let's Make a Mug Too (やくならマグカップも, Yaku nara Magu Kappu mo, lit. "If planning to fire (pottery), mug cup too") is a Japanese manga series by Osamu Kashiwara about Mino ware pottery, set in the Tajimi city of Gifu Prefecture. It has been serialized online by Planet since February 2012, and has been collected in thirty-four ...