By: fishcantswim
There are many problems in the pursuit of an accurate measurement of the size of hte Universe, both theoretical and practical. I will discuss these (as I understand them).THEORETICAL-The first problem must be deciding what, specifically, we mean when we say the size of...
By: Dave Bailes
SOLUTION FOUND IN BATHTUB! Archimedes, son of an astronomer, was one of the ancient world's main men of science. Just about the most famous story about him is that of his running, wet and naked, through the streets of Syracuse yelling, "Eureka!" ("I have...
By: Dave Bailes
"I'm picking up good vibrations" If you can remember when that Beach Boys song came out you are of the same vintage as me! In the thirty odd years since then we have been offered more advances in technology than at the height of the...
By: John Tolbert
Hello, all. Time has been defined in many ways, but I don't feel that time should be considered so abstract. Is air abstract? Even if you can't see it the answer is no. Is deoxygenated blood abstract? Though you can't feel it and probably...
By: Stacy Wong
LightLight originates from the accelerated motion of electric charges. It consists of waves and forms part of the electromagnetic spectrum. It is a form of energy capable of stimulating the light-sensitive cells in the retina of the eye.The amount of energy entering the eye...
By: Robert Moran
I have been tracking the solar energy industry for fifteen years and seen many improvements in products and efficiency (the rate of converting the sun's rays to electricity). The technology is primed to play a large role in pollution-free energy in the coming decades. Dye-sensitized...
By: Jerrod Lopes
I'm not really a comic book fan, computer geek, nerd...not the typical person you would associate with such fantastic topics such as invisibility, magic, and walking through solid objects. I have always been interested in what science and technology could do to create...
By: Richard Griffin
Calculations and distance limitations aside, the probability of detecting extrasolar civilizations is only limited by our desire to find them. We have no idea how large the universe is. At present we only have speculation and educated guesses to guide us. For all we know...
By: Ian Loft
The fundamental difference between Alternating Current (AC) and Direct Current (DC) is this: DC is a steady and relatively unchanging flow of current through a circuit while AC is a dynamic, that is: a continuously changing flow of current through a circuit. Breaking this down...
By: Jon Harris
We've all but proven that the universe is infinite. Certainly, it is close enough to being infinite for any of our Earthly intents and purposes. We now also have evidence of other planets orbiting stars similar to our own sun, and methods have evens been...

 

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