Career Information for an Aeronautics or Aviation Degree. Aeronautics or aviation is generally the science of flight, and this field may also include the manufacturing and design of airplanes and helicopters. Continue reading for an overview of the training, as well as career and salary info for some career options for graduates. View 10 Popular Schools Â».
The fundamental process at work in a rainbow is refraction -- the bending of light. Light bends -- or more accurately, changes directions -- when it travels from one medium to another. This happens because light travels at different speeds in different mediums.
Light enters the eye through the transparent cornea, where much of the bending of light takes place. The white dot in the pupil is a reflection of light. THE RETINA All this intricate superstructure exists in the interests of the retina, itself an amazing structure.