The first woman in space
By: Kevin Grieves
Immediately after the Soviet Union's success in putting the first man into space in 1961, the head of cosmonaut training on the Russian space programme, Nikolai Kamanin, suggested to his superiors that it was their patriotic duty to again beat the Americans by being the...
Is time travel possible?
By: Jack Lee
People love to fantasize about time travel; it is a basis for hundreds, if not thousands of films and books, and many people even spend thousands on trying to do it. Why? Because not only could they become unbelievably rich, they could also change...
Recommended books for learning about UFOs
By: Tina Christensen
When you are looking into UFO's many have just plain curiosity or have had an experience of a kind and want to know more. To read about other's experiences you need to know where to look first. There are so may books out there about...
Understanding the periodic table
By: Chu Chin Kwok
The study of Chemistry involves the study of the more than 100 chemical elements found on Earth in various quantities. Some elements exist in abundance, some only in traces; some exist as the elements themselves (e.g. gold and other less reactive elements) while...
How Pluto got its name
By: Kevin Grieves
In 1894 the American businessman Percival Lowell founded an observatory in Flagstaff, Arizona, where he dedicated himself to astronomical research. His theories about canals on Mars resulted in the scientific community ostracising him and his observatory. He also theorised that the orbits of Uranus and...
By: Janet Grischy
Not everyone thinks we should colonize the moon. Some cite the expense, the danger, and the waste of resources aimed at space. Surely, enough troubles on earth call for immediate attention, some say. The Matanuska Colony faced, and faces, similar criticism. It was a project...
How electrical current flows
By: Mark G.
By the middle of the eighteenth century, electrostatics was a well established branch of physics. Several experiments had been conducted and many machines built that would produce through friction great amounts of charge giving sparks and electric shock. Electric shock was generated due to a...
By: Mark G.
Hydrates can be either inorganic or organic in nature and all have one component in common and that is water. When certain inorganic ionic solids crystallize from aqueous solutions, they combine with a definite amount of water, which becomes a part of the crystalline solid...
By: Jimmy Nightingale
As J. B. S. Haldane once said (well, he said a version of this, but this version has been attributed to both Haldane and Arthur Stanley Eddington): "The universe is not only stranger than we imagine, it is stranger than we can imagine" In 1960...
How a DC motor works
By: Alwin Templar
Like most good inventions, the DC electric motor is both simple and ingenious. It is a device that takes electrical energy from a power source such as a battery and converts that energy into kinetic energy by means of electromagnetism. This conversion results in...

 

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