I was very close to my mother, and her death, which left a gaping hole in my life, has been very difficult for me and my father in a lot of ways.
The educator and the public need to have an opportunity to discuss why certain art is important.
For both reasons, owing to the thermal motion and to the working together of various wavelengths, factors arise which, in a similar manner to the structural factor, exert some influence upon the brightness of the interference points but not upon their location.

