What science says about religious epiphanies
By: James R Coffey
The fundamental problem for psychologists and other science-minded empiricists is that religious experiences such as epiphanies are not susceptible to objective testing-and are thus, dismissible. Even so, they recognize that such experiences have a powerful impact not only on the individual but ‘peripheral’ believers...
By: D. Vogt
Mercury is the smallest and innermost planet in the solar system, orbiting the Sun at 43.5 million miles (70 million kilometres), or roughly half the distance from the Earth to the Sun. Although a genuine planet, visually it most resembles our own Moon: a...
What is graphene and how is it made?
By: Randa Morris
First discovered in 2004, graphene's existence was first demonstrated with a simple experiment involving a graphite block and a piece of sticky tape. The tape was applied to the block and a single sheet of graphene was lifted, proving once and for all that the...
By: D. Vogt
A blue moon is the second full moon to occur in a single month. Of course, whether a full moon is labelled as "blue" or not actually has nothing to do with actual astronomical phenomena. The Moon follows a regular 29.5-day path around the...
Product reviews: 32mm SP-Series Super Plossl eye-piece
By: Matt Kelly
Plosslscan be considered as the work horses of the eyepiece world, very prevalent, hard working and versatile. Plossl refers to the way in which the eyepiece is designed, traditionally only 4 or 5 lenses are used which minimises any aberrations or scattered light that a...
By: Gene Patterson
You put Helium into a balloon and watch it go. Or suck it into your mouth and laugh as it changes the pitch of your voice until you sound like one of the “Chipmunks”. But where does this light gas come from? ♦ What...
By: Gene Patterson
If you are a believer in Greek mythology you could say that Helium comes from the God Helios who was the god of Sun and eventually deposed by Zeus. ♦ Where does Helium come from: Reality This linking to the creation of the universe is...
By: Kenneth Andrews
On October 5th, 2010, it was announced that two UK-based scientists had been awarded the Nobel Prize in physics for their work on graphene, which has been described as a 'wonder material'. But what is graphene? Graphene is a complex carbon material which the University...
Product reviews: Dual Speed Crayford Focuser for Skywatcher refractors
By: Matt Kelly
A good focuser is of the utmost importance to the visual observer as well as the astrophotographer. After all, what use are the best optics in the world if you can't bring them to pin sharp focus easily and effectively. This dual speed Crayford from...
Product reviews: Celestron Omni 6mm eye-piece
By: Matt Kelly
The Celestron Omni 6mm is a Plossl design. Traditionally Plossl eyepieces contain 4 or 5 lenses. The Omni 6mm is typical in this regard and contains 4 lenses. The lenses are arranged in a symmetrical fashion, being 2 goups of 2 lenses closely spaced. The...

 

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