Types of telescopes What are the advantages of each
Refractors, Newtonian reflectors and Catadioptrics are the three main types of telescopes. All these different types have the same purpose, but each telescope design does it differently. Collecting light and bringing it to a point of focus so it can be magnified and... More...
Light and depth of field
By Jakob Jelling http://www.snapjunky.com With such a fantastic device as the digital camera for the recreation of magic in arts, a lot of care needs to be taken so as to maintain the perfection of the end product. This perfection is not only obtained by the artistic feeling of... More...
The Astrology of the Jewish Kabbalah
Divination, Evocation and Vision are the preliminary techniques of Magic rituals in the kabbalah. There is considerable justification for their employment: when there is adequate understanding of their meaning and technical procedure. But these are preliminary methods only. They are but steps... More...
Cosmic Rays snd the Cygnus Mystery
Since the discovery in the 1920s that all types of radiation can cause gene mutations, scientists have wondered what role high energy cosmic rays might play in human evolution. Yet it was an idea destined never to find favour among geneticists, who could determine no hard evidence that the... More...