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The bending of light rays is called diffraction. It happens because light actually moves at different speeds in different substances. When light strikes a border between two substances (such as air and the glass of a contact lens) at angle, the edges of the wave-front reach the new substance at different times. Thus the different sides of the light ray change speeds at different times and the light ray bends.
refraction point
When light passes from one substance to another, and both have the same refractive index, then there will be no refraction - or change of direction - at the border. It is as if there were only one substance.
I suggest you Google it or log onto Physics.org. If only it was that easy.I doubt that anybody has ever done it! Both are in different units for a start
CERN is situated in Meyrin, which is close to Geneva.Officially the whole complexe, including the Large Hadron Collider and other accelerator belong to Switzerland, but geographically CERN is located at the border of France and Switzerland (not the Franco-German border;))
five fat things
contact
Border is a line that separates two different things. The border between the United States and Canada is very easy to cross.
There is no border city in Northern California. A border is a term used between two different countries . California doesn't border a country in the north. Oregon is the next door neighbor state.
In New Mexico, you don't have to jump the border to get into the U.S.
border collies are part springer spaniel...they are related, but have very different temperments. Border collies are herding dogs, spaniels are hunting dogs.
There are several places in the world you can do this: the border between the U.S. and Mexico the border between Israel and the West bank or Gaza the border between Germany and Poland the border between South Africa and Botswana the border between Singapore and Malaysia the border between Greece and Turkey
the high way of Alaska is block not to Yukon territory
a front
In most cases the black lines which are between the states point out the border between different states, telling the map reader when the you are in a different state.
an international border lies between countries
to separate the two countries e.g the border between Scotland and England, defines which country you are in. Also the Scottish law is slightly different to the English law so as soon as you cross the border, you obey that law