Explains in non-technical terms how to use the dichroscope to identify colored gems, and how to separate natural gems from imitations, treated gemstones, synthetics, and look-alikes. The approach i...więcej »
Bergson's essay Dreams, was originally published in 1914. It was a conference given by Bergson, a year after Freud's Interpretation of Dreams. The lecture describes dreaming and outlines...więcej »
Rabindranath Tagore was an Indian polymath who reshaped Bengali literature and music, as well as Indian art with Contextual Modernism in the late 19th and early 20th centuries. Author of Gitanja...więcej »
A darkening sky and a whitening sea, And the wind in the palm trees tall; Soon or late comes a call for me, Down from the mountain or up from the sea, Then let me lie where I fall. And a friend ...więcej »