What causes a mirage?

Answer 1

eating something solid and having it come out runny......2bz.

Answer 2

Edwin Meyer, a physics professor at Baldwin-Wallace College, explains.
To understand how a mirage forms, one must first understand how light travels through air. If the air is all the same temperature--cold or hot--light travels through it in a straight line. If a steady temperature gradient exists, however, light will follow a curved path toward the cooler air. The standard freshman physics explanation for this phenomenon is that cold air has a higher index of refraction than warm air does. As a result, photons (particles of light) travel through hot air faster than they can through cold air because the hot air is less dense. The quantum electrodynamics explanation is that photons always take the path of minimum time when traveling from one point to another. In order to get from one point to another in a minimum time, photons will take "shortcuts" even though the length of the path is curved and it covers a longer distance than the direct route

Mirages are a direct result of photons taking the path of minimum time in vertical temperature gradients. Ideal conditions for a mirage are still air on a hot, sunny day over a flat surface that will absorb the sun's energy and become quite hot. When these conditions exist, the air closest to the surface is hottest and least dense and the air density gradually increases with height. Incoming photons take a curved path from the sky to the viewer's eye. The illusion comes from the fact that quantum electrodynamics is not intuitive and the human brain assumes that light travels in a straight line. A viewer looking at, say, the road ahead on a hot, still, day will see the sky because photons from the sky are taking the curved path that minimizes the time taken. The brain interprets this as water on the road because water would reflect light from the sky in much the same way that a vertical temperature gradient does.

A simple experiment can demonstrate the manner in which a light beam bends in a vertical density gradient. Fill a long glass tank with water, dissolve sugar in the water and shine a laser beam in one end. The vertical gradient produced by the sugar concentration will cause the beam to bend. If the tank is long enough and a mirror is placed on the bottom, the beam will "bounce" along the bottom of the tank.

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Answer 3

Mirages are a direct result of photons taking the path of minimum time in vertical temperature gradients. Ideal conditions for a mirage are still air on a hot, sunny day over a flat surface that will absorb the sun's energy and become quite hot. When these conditions exist, the air closest to the surface is hottest and least dense and the air density gradually increases with height. Incoming photons take a curved path from the sky to the viewer's eye. The illusion comes from the fact that quantum electrodynamics is not intuitive and the human brain assumes that light travels in a straight line. A viewer looking at, say, the road ahead on a hot, still, day will see the sky because photons from the sky are taking the curved path that minimizes the time taken. The brain interprets this as water on the road because water would reflect light from the sky in much the same way that a vertical temperature gradient does.

Answer 4

Aeronautical Engineers

Answer 5

Too much Jack Daniels.

Answer 6

Chewing on Peyote for water. Bad idea.

Answer 7

Your mind sees what it wants to if you are desperate for something like water in a dessert

Answer 8

Acid maaaaaaaaaaaaaaaaaann!

Answer 9

My mother in law

Answer 10

Too much thinking

Answer 11

It's an optical illusion.