The professor explained conical refraction to the class. From LearnThat.org.
Yes, that's refraction from the top of the protective glass. From Wordnik.com. [Archive 2007-03-01] Reference
Any gas would work, although helium's index of refraction is extremely low. From Wordnik.com. [Why the Moon? Here's Why. - NASA Watch] Reference
This phenomenon, called refraction, is readily observable when a straw placed into a glass of water appears to be bent or broken. From Wordnik.com. [Semiconductor Structure Bends Light ‘Wrong’ Way | Impact Lab] Reference
The offside lamp pointing forward should be covered with a handkerchief, to diffuse the light and cause less refraction from the fog in front. From Wordnik.com. [To Drive a Motorcar | Edwardian Promenade] Reference
It shows us that the power of refraction is not one of those properties of matter which are completely transformed by the action of chemical combination. From Wordnik.com. [Hendrik A. Lorentz - Nobel Lecture] Reference
There is the characteristic state of mind which might be called the refraction of an idea by the presence of another idea. From Wordnik.com. [Criminal Psychology: a manual for judges, practitioners, and students] Reference
Some stones are more likely to bend light and break it up into its spectral colors, two variables known as refraction and dispersion. From Wordnik.com. [Vail Daily - Top Stories] Reference
The refraction is the process that takes place whenever the speed of light is slowed down by the aforementioned denser medium, which splits the. From Wordnik.com. [Softpedia News - Global] Reference
This allows you to play games with the indices 'of refraction, meaning you can draw finer lines on the wafer. From Wordnik.com. [The Inquirer] Reference
The devil then answered these inquiries by certain images, which, by a kind of refraction, shone from the water on the polished and mirror-like surface of the phial. ". From Wordnik.com. [The International Monthly Magazine - Volume V - No II] Reference
The principle is one of nicely regulated refraction. From Wordnik.com. [Continental Monthly , Vol. 5, No. 6, June, 1864 Devoted to Literature and National Policy] Reference
Double cabochon-cut stones, 65 refraction (see "refraction"). From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
As I said, visibility refraction doesn't work right in their case. From Wordnik.com. [Millennium] Reference
For those who wish to study double refraction more in detail, Chapter VI., pages. From Wordnik.com. [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference
In all cases the heat-penetration and refraction were shown by electric recorders. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
At those times we are able to see the effect of refraction by the colors produced. From Wordnik.com. [The Wonder Island Boys: The Mysteries of the Caverns] Reference
"Good thing I've got my body shield modulated for full refraction," he told himself. From Wordnik.com. [Millennium] Reference
Reflection and refraction of light are produced by a change of density of the Aether. From Wordnik.com. [Aether and Gravitation] Reference
Now what is the property of the Aether on which all reflection and refraction is based?. From Wordnik.com. [Aether and Gravitation] Reference
But be sure you are alone, and don't try to use visual refraction under any circumstance. From Wordnik.com. [Millennium] Reference
Sooner or later every commander has to deal with some refraction of this kind of problem. From Wordnik.com. [The Armed Forces Officer Department of the Army Pamphlet 600-2] Reference
A man may look through a telescope before he can define the refraction or reflection of light. From Wordnik.com. [The Wesleyan Methodist Pulpit in Malvern Sermons Preached at the Opening Services of the Wesleyan Methodist Chapel, in 1866] Reference
It exhibits double refraction, and is a crystallised mineral, brittle, and showing a green streak. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
The sun rose red and angry, and owing to the great refraction appeared three times its natural size. From Wordnik.com. [Martin Luther King, Jr. Day, 1995, Memorial Issue] Reference
The table below gives the necessary information as to which stones show double and which single refraction. From Wordnik.com. [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference
In transmitted light we have, as stated above, single or double refraction, polarisation, and diaphaneity. From Wordnik.com. [The Chemistry, Properties and Tests of Precious Stones] Reference
Light striking the internal surface more obliquely is reflected without losing any of its rays by refraction. From Wordnik.com. [Scientific American Supplement, No. 1082, September 26, 1896] Reference
They are: 'optical refraction', 'light-ray', and 'light-velocity' - the latter two serving to explain the first. From Wordnik.com. [Man or Matter] Reference
The physiologic tension of the eyeball is essential to ocular refraction, and closely related to ocular nutrition. From Wordnik.com. [Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913] Reference
Its strong double refraction and its relative softness, as well as its great density will serve to distinguish it. From Wordnik.com. [A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public] Reference
The phenomenon which led the onlooker-consciousness to form the idea of optical refraction has been known since early times. From Wordnik.com. [Man or Matter] Reference
Bacon then discusses vision in a right line, the laws of reflection and refraction, and the construction of mirrors and lenses. From Wordnik.com. [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"] Reference
Both orbs cannot be wholly above the horizon at the same time on such occasions, but, owing to refraction, we are able to see them both. From Wordnik.com. [To Mars via The Moon An Astronomical Story] Reference
Huyghens 'principle, and the question arises as to whether both can be made to harmonize with the phenomena of reflection and refraction. From Wordnik.com. [Aether and Gravitation] Reference
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