(Encyclopedia) rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end…
(Encyclopedia) almond, name for a small tree (Prunus amygdalus) of the family Rosaceae (rose family) and for the nutlike, edible seed of its drupe fruit. The “nuts” of sweet-almond varieties are…
(Encyclopedia) surveying, method of determining accurately points and lines of direction (bearings) on the earth's surface and preparing from them maps or plans. Boundaries, areas, elevations,…
model, television hostBorn: 9/9/1969Birthplace: New Zealand Rachel Hunter turned to modeling at the age of 17. She was soon seen regularly on the covers of fashion magazines, such as Vogue, and…
(Encyclopedia) Leyden jarLeyden jarlīˈdən [key], form of capacitor invented at the Univ. of Leiden in the 18th cent. It consists of a narrow-necked glass jar coated over part of its inner and outer…
(70 meters)Men Individual: 1. Justin Huish, USA def., 2. Magnus Petersson, SWE (112-107); 3. Oh Kyo-moon, S.KOR def. Paul Vermeiren, BEL (115-110). Team: 1. United States (Justin Huish, Richard…
inventor, manufacturer, reformerBorn: 8/3/1846Birthplace: Carnarvonshire, Wales Jones began working in the oil fields of Ohio and Pennsylvania when he was only 10 years old, and gained enough…
(Encyclopedia) night blindness, inability to see normally in subdued light. It is usually a result of vitamin A deficiency. The rod cells, one of two light-sensitive areas of the retina of the eye,…
(Encyclopedia) Pomo, Native Americans of N California, belonging to the Hokan branch of the Hokan-Siouan linguistic stock (see Native American languages). The Pomo were the most southerly Native…
WHAT IS THE PUPIL? HOW THE EYE FOCUSESWHY DO WE HAVE TWO EYES? HOW DO WE SEE IN COLOR? FIND OUT MOREOur eyes create our sense of vision. They take in light rays, focus them to create an image, and…
