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  2. Crest and trough - Wikipedia

    en.wikipedia.org/wiki/Crest_and_trough

    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 ...

  3. Crest (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Crest_(anatomy)

    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

  4. Heraldry - Wikipedia

    en.wikipedia.org/wiki/Heraldry

    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.

  5. Crest (heraldry) - Wikipedia

    en.wikipedia.org/wiki/Crest_(heraldry)

    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").

  6. Coat of arms - Wikipedia

    en.wikipedia.org/wiki/Coat_of_arms

    A coat of arms is a heraldic visual design [1] on an escutcheon (i.e., shield), surcoat, or tabard (the last two being outer garments). The coat of arms on an escutcheon forms the central element of the full heraldic achievement, which in its whole consists of a shield, supporters, a crest, and a motto.

  7. 105 Fun Facts About Science, History, Celebrities, and More - AOL

    www.aol.com/heres-103-fun-facts-actually...

    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 ...

  8. 40 Interesting Facts For Your Daily Dose Of New Knowledge ...

    www.aol.com/78-facts-today-learned-community...

    Image credits: Flares117 Another interesting fact about the family who couldn't sleep comes from Redditor u/Potatoe_expert.Science writer and author of the book about said family The Family That ...

  9. History of heraldry - Wikipedia

    en.wikipedia.org/wiki/History_of_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).