Physical Science
By: Joan Inong
When we look up at the night sky, we rarely think about the technical aspects of the formation of our universe. We see stars, and sometimes planets and comets, and just think that they are simply beautiful. However, when we do learn about how...
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By: Cody Hodge
What would you do if a comet hit the Earth? I'm sure that the answer is different for everyone, although I think most of us would be doing the same types of things. Thankfully a comet won't be hitting the Earth anytime soon, but I...
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Planet facts: Uranus
By: Caodai6
Uranus is the third largest planet in the Solar System and it lies twice as far away from the Sun as its neighbouring planet Saturn. It is grey-blue in colour and has very little surface features and it has a diameter width of 51...
By: Gary C. Gibson
Since it was Einstein's German mentor that invented GA nerve agent in the first world war from some kind of insecticide concentrate, a kind of bug dope survival spray or lotion to neutralize various inhalant and topical chemical agents ought rightly to be invented as...
What cocaine is made of
By: Rena Sherwood
There are a few existing versions of the street drug known as cocaine (or blow, crack, gear and many more names). Perhaps we are most familiar with the white powdered form. But that is the end product of a dangerous and complicated process. In...
By: Joan Inong
Highlands and maria characterize the Moon's surface. Because the Moon has no atmosphere with which to destroy much of the incoming debris from outer space, such as meteorites and asteroids, the Moon's surface is riddled with craters, highlands, and maria. If you have ever...
By: Gerald Drueppel
More Why Than How Every thought that is not associated with the present is time travel. If you think of a specific time and place and occurrence in the past you are establishing a link between the present and the past. Incidentally both the present...
Understanding projectile motion
By: Chandra Wijaya
Throwing a ball vertically upward, we can catch it right back to our hand. The ball leaves our hand. Then it reaches the highest point. It comes back to our hand, exactly on its initial place. In other case, throwing the ball at a certain...
How energy is created from heat
By: Andrew Smith - 514754
The idea that energy can be created from heat is a misnomer. Heat is energy. More specifically, heat is energy in motion, or moving from one area of the system to another. This fact has been studied countless times and has lead humanity to the...
Explanation of the Big Bang
By: Bob Seery
There are two "Big Bangs" - there is the one that marks the beginning of the universe and it is this which most of us are by now familiar. But then there is the other, more pertinent one, that will undoubtedly herald it's end. Let...
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