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Silver Springs
(Encyclopedia) Silver Springs, mineral spring, N central Fla., source of the Silver River. The limestone spring, one of the world's largest and most famous, has a basin 80 ft (24 m) deep and 300 ft (…Crookes tube
(Encyclopedia) Crookes tube, device invented by Sir William Crookes (c.1875) consisting essentially of a sealed glass tube from which nearly all the air has been removed and through the walls of…flame test
(Encyclopedia) flame test, test used in the identification of certain metals. It is based on the observation that light emitted by any element gives a unique spectrum when passed through a…hourglass
(Encyclopedia) hourglass, glass instrument for measuring time, usually consisting of two bulbs united by a narrow neck. One bulb is filled with fine sand that runs through the neck into the other…eyeglasses
(Encyclopedia) eyeglasses or spectacles, instrument or device for aiding and correcting defective sight. Eyeglasses usually consist of a pair of lenses mounted in a frame to hold them in position…The Raven
The Raven There was once a queen who had a little daughter, still too young to run alone. One day the child was very troublesome, and the mother could not quiet it, do what she would. She…Looking for Harry Potter
Wanted: young British Muggle with a lightning-bolt scar by Holly Hartman This article was posted on January 20, 2000. More About Harry More Harry Movie NewsThe Scoop on Book 4Harry Potter…Sara Teasedale: The Look
The LookStrephon kissed me in the spring, Robin in the fall, But Colin only looked at me And never kissed at all.Strephon's kiss was lost in jest, Robin's lost in play, But the kiss…Look at These Prices!: Introduction
IntroductionLook at These Prices!IntroductionLet's Stretch: Elasticity of DemandWhat Determines Elasticity?Tinkering with MarketsThe Price You Gotta PayAs the saying goes, “Everything has a price.”…Inventions: Look for Inventions
Homework Center – Frequently Asked Questions Inventions Look for Inventions Inventions and Discoveries National Inventors Hall of Fame Invention Dimension Invention Archives Famous…Trending
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