Is there any proof that aliens exist?
By: Brian Prestowitz
Some people say that we the only life out here in the universe while some people state that we are not alone. There are even others who theorize that we are the product of alien experimentation while there are those who believe that we are...
An explanation of Newton's three laws of motion
By: Josh Anderson - 591600
Not only the greatest mathematician of the late 17th early 18th century, but arguably one of the greatest mathematicians of all time. With extensive work on the foundations of calculus, the discovery and application of universal gravitation and what i shall now discuss with you...
Factors that affect the rate of diffusion
By: Ernest Capraro
Diffusion is the random process by which particles distribute themselves within a container or medium. (More formally, Medical Dictionary provides the definition “the process whereby particles of liquids, gases, or solids intermingle as the result of their spontaneous movement caused by thermal agitation and...
By: Alison Bowler
The French chemist Charles Thilorier first recorded frozen carbon dioxide, also known as dry ice or card ice, in 1834. Thilorier observed the formation of frozen carbon dioxide when he opened a container of liquid carbon dioxide, which boiled away to leave a residue of...
Causes of the 2010 Perseid meteor showers
By: D. Vogt
The Perseid meteor shower, which occurs roughly between August 10 and August 14 every year and is most prominent in the northern hemisphere, is the result of the Earth flying through a cloud of meteors and debris left by the Swift-Tuttle comet. It draws its...
Explanation of the Big Bang
By: Jake Jones - 592921
Evangelical Christian have some very definite biblical beliefs about the origin of the Universe. Most everyone is pretty sure about that. However,most serious Christians do not believe that the Universe is something created out of the chaos of an unbelievably large explosion eons ago...
What is dark energy?
By: John Traveler
It’s out there; it’s everywhere; scientists may not yet be able to describe it in any known physical terms, but its there just the same, and it represents about 74% of the stuff that is the known universe. It is a force, not...
Product reviews: Pentax XF 8.5mm eyepiece
By: Matt Kelly
Pentax are probably better known for producing quality cameras than Astronomical eyepieces, perhaps that's why the XF range stayed under my radar for so long. Recently I purchased the XF 8.5mm for just under £150, a lot of money to spend on an...
Niels Bohr and his quantum postulates
By: John Brown - 591004
Before Niels Bohr: in the classic physics, the world is described by a few equations that govern a set of continuous quantities or fields. It assumed that there is a smaller portion of anything, but maybe out of our measurement capability to see it. This...
By: John Traveler
Up until the 1930’s, the miniature world of atoms and molecules was totally theoretical. In fact, to this day no one has ever beheld, in the visual sense, a single atom, only the electromagnetic effects of them . Then came the particle accelerator (originally called...

 

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