The difference between a rocket and a jet
By: Gavin Cordell
Ever since the first humans looked up into the sky and saw birds, we have been enthralled with flight. In the last hundred years, not only have we achieved it, we have come to excel at it, going to speeds and heights that birds could...
By: T.S. Garp
Black Triangles and UFOs, Part One An examination of the origins of the mysterious UFO’s known as Black Triangles. Most UFO’s are reported to be the classic inverted saucer shape, but many other reports have seen them in much stranger configurations. One predominately...
How fireworks get their colors
By: Elaine Sihera
We have all seen some amazing fireworks displays and marvelled at their artistry and color. People everywhere of every culture enjoy the fantastic explosions and brilliant light displays. However, these spectacles are much more than just a form of entertainment. Each firework launched into...
By: Richard Serra
The average person would probably not really know the real difference between the two, but they do know that each cannot be connected to each other in the hopes that a DC motor will run from a house electrical outlet. They would soon find out...
The components of an atom
By: Ramona Taylor
While the cell is the basic building block of living things, the atom is the basic building block of matter. Everything from the largest galaxy to the amoeba consists of a collection of atoms. While our understanding of the atom may be only centuries old...
By: Tim Canter
The question asked, how can you tell the difference between acids and bases, is written for the basic understanding of acids and bases. Describing in detail about chemical bonding, molecular structures and the forces acting upon those structures, it is best left for another...
Why time travel is impossible
By: Gavin Cordell
Time travel has been a staple of science fiction for decades. Everyone has wished at some point or another that they could travel to the past to fix their mistakes, which explains some of the appeal of the subject. Naturally, since the theme is so...
What was shown by Rutherford's gold foil experiment?
By: Brian Dodson
The Rutherford gold-foil experiment, although actually developed and carried out in 1909 by members of Rutherford’s research team, drove what was perhaps the most important paradigm shift concerning the structure of matter known to history. Early concepts of the composition of matter focused on...
By: Alison Bowler
If you look at a chart of the periodic table, two rows of elements appear separate from the main table. These two rows comprise the lanthanide (or lanthanoid) group and the actinide (or actinoid) group. The elements in these two rows are also known as...
The components of an atom
By: Elaine Sihera
All matter—anything that has mass and takes up space—is made up of tiny particles called atoms. The term 'atom' originated from a Greek word meaning "indivisible" or unable to be divided further. For a long time scientists believed that atoms were the smallest...

 

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