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heron (hèr´en) noun
Any of various wading birds of
the family Ardeidae, having a long neck, long legs, a long pointed
bill, and usually white, gray, or bluish-gray plumage.
[Middle English, from Old
French, of Germanic origin.]
Note: There are
several common American species; as, the great blue heron (Ardea
herodias); the little
blue (A. c[oe]rulea); the green (A. virescens); the snowy (A.
candidissima); the night
heron or qua-bird (Nycticorax nycticorax). The plumed herons
are called egrets.
Heron's bill (Bot.), a plant of the genus
Erodium; -- so called from the fancied
resemblance of the fruit to the head and beak
of the heron.
- Herons have been observed to drop insects on
the water and then catch the fish that surface for
heron (hèr´en), BIRD of the
family Ardeidae, large wading birds, including the BITTERN and EGRET,
found in many temperate regions but most numerous in tropical and
subtropical areas. Herons have sharp, serrated bills, broad wings, and
long legs. Their plumage is soft and drooping, and (especially at
breeding time) they may have long, showy plumes on their heads,
breasts, and backs.
Hero (hê´ro, hîr´o) or Heron
First century A.D.
scientist who invented many water-driven and
steam-driven machines and devised a formula for determining the area
of a triangle.
Hero of Alexandria
Hero of Alexandria or Heron (hêr´òn), fl. A.D. 62,
mathematician and inventor. His origin is uncertain,
although he wrote in Greek on the measurement of geometric figures and
invented many contrivances operated by water, steam, or compressed air,
including a fountain and a fire engine.
- track _Heron_ MP3 (192k) by Avail
- track _Powered By Steam_ MP3 (224k) by Hangedup
off of s/t on Constellation (2001)
Heron, the great inventor of
Alexandria, described in detail what is thought to be the first working
steam engine. He called it an aeolipile, or "wind ball". His design was
a sealed caldron of water was placed over a heat source. As the water
boiled, steam rose into the pipes and into the hollow sphere. The steam
escaped from two bent outlet tubes on the ball, resulting in rotation of
the ball. The principle he used in his design is similar to that of
today's jet propulsion. Heron did not consider this invention being
useful for everyday applications: he considered his aeolipile invention
as a novelty, a remarkable toy.
Known as Mchanikos, the Machine
Man, Heron invented the world's first steam engine, developed some
sophisticated surveying tools, and crafted handy gizmos like a
self-trimming oil lamp. Technically speaking, Heron's clever
inventions were particularly notable for their incorporation of the
sorts of self-regulating feedback control
systems that form the bedrock of cybernetics;
like today's toilets, his "inexhaustible goblet" regulated its own level
with a floating mechanism. But what really stirred Heron's soul
were novelties: pneumatic gadgets, automata, and magic
theaters, one of which rolled itself before the audience on its own
power, cranked through a miniature three-dimensional performance, and
then made its own exit. Another staged a Dionysian
mystery rite with Apollonian precision: Flames lept, thunder
crashed, and miniature female Bacchantes whirled madly around the wine
god on a pulley-driven turntable.
- Erik Davis - _Techgnosis: Myth,
Magic & Mysticism In The Age Of Information_
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