increased width between the eyes due to an arrest in development of the greater wings of the sphenoid, thus fixing the orbits in the widely separated fetal position; autosomal dominant inheritance....
it is where an objects light 'path' changes direction as it slows down or speeds up. it slows down when it is going through a solid as it has to make its way through a smaller space :)
Reflection: light bounces off of a surface, like a mirror.Refraction: light goes through a substance and bends. For example, white light through a prism comes out in a rainbow because the light is...