By: Trenna Sue Hiler
Can fruit really be used to make a battery? Would it work with all fruits? Well, let’s get some things together and see what we know and what we can learn.Batteries are gadgets that are designed to store chemical energy. When the energy...
By: Tarek Musslimani
Stars usually maintain a state of equilibrium with zero net forces acting on them. The main force that acts on the stars is the gravitational force which tends to shrink the size of the star and forces it to collapse. The other opposing force to...
By: Tarek Musslimani
In this article, I will discuss the phenomenon of superconductivity, and in particular superfluid helium. This area of physics belongs historically to the branch of physics which is called low temperature physics. This is so because it was first discovered during research that was conducted...
By: Tarek Musslimani
In the later part of the 18th century and the beginning of the 19th century the structure of the atom was not completely understood. After the discovery of the negatively charged particle that is called the electron and the discovery of the positively charged particle...
By: Tarek Musslimani
In this article I will discuss two radioactive decays from radioactive atoms such as Uranium238. In addition I will discuss two important nuclear reactions that are mediated by the nuclear weak force. The nucleus of atoms is usually a stable entity that is able to...
Product reviews: 12.5mm SP-Series Super Plossl eyepiece
By: Matt Kelly
Skywatcher make a wide array of eyepieces from the extravagantly expensive right down to what could be considered the budget range. Their sp plossl series falls squarely into the latter category. A low cost eyepiece that can be used on a plethora of astronomical objects...
Legends about the stars
By: Gary Wonning
Sirius, the Dog StarSirius, more commonly known as the Dog Star is located just east of Orion's Belt in the southern sky. It is known as the Dog Star because it is part of the constellation known as the hunter and Sirius represents the head...
By: Ben Herd
Almost everyone has inhaled the helium from a balloon at some point or another, and then roared with laughter as we all sound like Alvin from the Chipmunks cartoon program. So imagine the fun deep sea divers must have as they breathe a mixture which...
Product reviews: 20mm SP-Series Super Plossl eyepiece
By: Matt Kelly
When shopping around for eyepieces it's easy to become overwhelmed by the staggering choices available. Naturally one can gravitate towards the more expensive eyepieces dismissing the cheaper ones as being inferior quality. In the case of the super Plossl from Skywatcher this would be a...
Product reviews: Skywatcher Skyliner 300P FlexTube AUTO
By: Matt Kelly
Some of Skywatcher's best telescopes are their big Dobsonians. The Skyliner flextube is not only big -with a primary mirror of 12 inches- but it's portable to. Making the Flextube not only ideal for back garden observation but also for packing up into the boot...

 

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