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A crest is a point on a surface wave where the displacement of the medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point of the wave. When the crests and troughs of two sine waves of equal amplitude and frequency intersect or collide, while being in phase with each other, the result is called constructive ...
The German Hyghalmen Roll was made in the late 15th century and illustrates the German practice of repeating themes from the arms in the crest. (See Roll of arms).. Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree.
A crest is a component of a heraldic display, consisting of the device borne on top of the helm. Originating in the decorative sculptures worn by knights in tournaments and, to a lesser extent, battles, crests became solely pictorial after the 16th century (the era referred to by heraldists as that of "paper heraldry").
19th-century German heraldry has examples of shields with numerous crests, as this arms of Saxe-Altenburg featuring a total of seven crests. Some thaler coins display as many as fifteen. Example of complex achievements in 19th-century Spanish heraldry : Coat of arms of Baldomero Espartero, Prince of Vergara (1793–1879).
Lion as a crest. Lion as a primary charge in the coat of arms of Finland (1978 design, based on the 16th-century coat of arms of the Grand Duke of Finland).. The lion is a common charge in heraldry.
Ace trivia night with these cool and random fun facts for adults and kids. This list of interesting facts is the perfect way to learn something new about life. 105 Fun Facts About Science, History ...
Buccinator crest; A feature on various animals: Crest (feathers) Display feature or thermoregulatory feature in various reptiles; Sail (anatomy), also known as crest in some animals; The point of a horse's neck where the mane grows from; Neural crest, a temporary group of cells unique to vertebrates that arise from the embryonic ectoderm cell layer
The science world is in constant motion. The post 50 Hilarious Science Memes From “A Place Where Science Is Cool” (New Pics) first appeared on Bored Panda.