what do you call looking through a plane glass?
476594
Would that be refraction?
285215
If you are in an airplane they are circular.  We usually can't see the bottom because there is no rain to reflect the colors in the earth.
573503
its cone shaped like an airplane or jet
733708
I have no idea what you are talking about. Can you add some clarification please?\n\nAh...okay, it is called a "vapor trail" and it is left by aeroplanes as the air condenses behind the earoplane engines and wing tips. It is simply water vapour, the same as clouds are made of.
642439
I assume that the light enters water through the glass since incidence is less than refracted angle also assuming refrative index of glass as 1.66 and water as 1.33\n\nWhat is the question then ? Also how can light return to where it originates ? That is dependent on the setup.
92830
A type of telescope known as "refractor." Telescopes called "reflectors" are most often used to view distant celestial objects.
1163379
View it through a magnifying glass- thats quickest
736217
Plane is just any aircraft in general or a surface plane like horizontal, frontal or profile.\nFlight is your journey in the plane &\nJet is a specific aircraft or the description of the speed that you are going.
566025
Zernike Polynomials are a convenient way to describe an optical wavefront, after it has passed an optical element, like glasses used to correct  the aberration of the eye.\n\nIt is explained in detail here:\n\nhttp://grus.berkeley.edu/~jrg/Aberrations/aberrations.html
501886
When you look with your two eyes you actually see two different images which the brain then interprets to give you depth perception (using parallax).  With 3D images they basically just recreate that by having showing each eye a different image.\n\nThere are many different ways of doing it, red blue glasses being the most well known but using different polarisations of light has also been used (one horizontal and the other vertical).  Other systems use glasses which flick between open and closed for each eye rapidly.
515794
I think....they are called scram jets...
608906
may be with internal reflection
101893
Jefferson Airplane mentions, something like: 'men on a chess board, get up and tell you where to go' I think. But the song is called White Rabbit, about 'through the looking glass'.
641595
The term is oblate spheroid I believe. Get that extra credit!
16095
It is called a ray.\nA ray is a half-infinite line with one end-point.
1075466
This phenomenon is call total internal reflection.\nThe theory explaining the phenomenon is detailed in most good physics optics textbooks.
691753
maybe a hexagonal prism http://en.wikipedia.org/wiki/Hexagonal_prism http://en.wikipedia.org/wiki/Prism_%28geometry%29