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capillarity
capillarity or capillary action, phenomenon in which the surface of a liquid is observed to be elevated or depressed where it comes into contact with a solid. For example, the surface of water in a clean drinking glass is seen to be slightly higher at the edges, where it contacts the glass,... Read more |
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Radial keratotomy
Radial Keratotomy Definition Radial keratotomy (RK) is a type of eye surgery used to correct myopia (nearsightedness). It works by changing the shape of the cornea-the transparent part of the eye that covers the iris and the pupil. Purpose About 25-30% of all people in the world are... Read more |
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Security
Security Computer security has been a consideration of computer designers, software developers, and users for virtually as long as the computer has existed. As any Internet user knows, computer security is a critical factor in the web-connected e-world. It is also important... Read more |
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rheostat
rheostat , device whose resistance to electric current depends on the position of some mechanical element or control in the device. Typically a rheostat consists of a resistance element equipped with two contacts, or terminals, by which it is attached to a circuit: a fixed contact at one end and a... Read more |
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Joseph Heller
Joseph Heller 1923-99, American writer, b. Brooklyn, N.Y. Heller is best known for his first novel, Catch-22 (1961). Set in World War II, it is a darkly humorous commentary on the illogic of war and bureaucracy. The title, which refers to an inescapable double bind, has entered the language.... Read more |
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allergy
allergy hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons. Allergens, or allergy-causing substances, can be airborne substances (e.g., pollens, dust, smoke), infectious agents... Read more |
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Vision disorders
Visual Impairment Definition Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that cannot be corrected with standard glasses or contact lenses and reduces a person's ability to function at... Read more |
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Convergence
Convergence When an octopus and a human being gaze at one another through the aquarium glass, they both do so through a camera-like eye. A human is a vertebrate and the occupant of the tank is a cephalopod mollusc. Their common ancestor lived more than one-half billion years ago, and since it... Read more |
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Donald Herbert Davidson
Donald Herbert Davidson 1917-2003, American philosopher, b. Springfield, Mass., grad. Harvard (B.A., 1939; Ph.D., 1949). A student of W. V. Quine , Davidson emerged as one of the major figures in post-World War II analytic philosophy. His early work in the theory of decision-making was followed by... Read more |
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Microscopes
Microscopes The ability to view things that are too small to be seen by the unaided eye is important in espionage and security. For example, the diagnosis of an infection often relies in part on the visual examination of the microorganism. Information about how the microbe reacts to certain staining... Read more |
 "The Independent (London, England)")
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Property: I can see clearly now the bricks have gone There's splendour in the...
...a secluded one-acre site...buyers can see the showhouse...house in just one week including...holiday and I think that...You do need a good rural site...maximum and one client commissioned...and gets to know ... |
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Clearly a better glass of water ; We drink about 110 million litres of...
...released recently which show that 25...quality is one of the reasons...we always see a major increase...agrees: "I think there...Simply Water, which has been selling...Although people know their water...bottled water." ... |
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Why eye can see clearly now ; After years of enduring short sightedness,...
...these bits of glass and wire as...advise me on the best treatment needed...recommended that I opt for LASIK...Wavefront (which I'm assured...with or without glasses). Mr Stefan...comforting to know that from ... |
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Radio on TV: Glass examines life in America "This American Life" 10:30...
IRA GLASS doesn't...says. "I don't understand...about a show one might not...ordinary. Now in its 12th...Also, we see how a New...dude." "I was scared...television better served the...pictures." ... |
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Interview: Ira Glass discusses a deal between his show, "This American Life"...
...for dibs? GLASS: I'm afraid--you know, I actually...This is the best pledge drive...CONAN: I see. (Soundbite...CONAN: I see. Now which of ... |
 "New Haven Register (New Haven, CT)")
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Looking at my wine through rosA(c) colored glasses?
...of certain glasses. Come on...what kind of glass you use...dislike a very good wine...Now you know my tricks...before I See Ferrucci...plastic cup. Now, most of the time I ... |
 "Daily Mail (London)")
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A contact lens INSIDE my eye has given me perfect vision; Ibrahim had needed...
...always worn glasses, had a new...t need glasses. I scoured...give me the best vision...I could see with my left...my thick glasses. It was...ecstatic. Now I can run ... |
 "SouthtownStar (Chicago, IL)")
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Do reading glasses make eyesight worse?
...reading. I just canâ...as well as I once did. But...that wearing glasses to help...ah), in which the lens...that you can see it clearly. With...flexible. I often tell...front of one eye ... |
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Glass is taking the half-full view despite current limbo
...that Stephen Glass was man of...is perhaps now suffering...played his best football, which was at Hibernian...Although he has clearly been around...Glass is one of many prominent...not to say ... |
 "The Beacon News - Aurora (IL)")
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Does use of reading glasses make eyesight worse?
...reading. I just canâ...as well as I once did. But...that wearing glasses to help...ah), in which the lens...that you can see it clearly. With...flexible. I often tell...front of one eye ... |
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