By: Steve Lussing
Thus far, the main candidate for life elsewhere than in our own solar system has been Gliese 581 C, a world around the red dwarf star Gliese 581, about 20.4 light years distant from us. This world has a diameter about 1.4 times...
By: John Welford
The distance between the Earth and the Moon is not constant, but varies over the course of the Moon's orbit around the Earth, which is not a perfect circle but an ellipse. The point at which the Moon is furthest from Earth is called the...
By: Andrew Ravenscroft
Two of the most important and widely produced industrial chemicals are sulfuric acid and phosphoric acid. Both acids are essential to the agriculture industry as fertilizer. Sulfuric acid has a vast range of specific uses in most industries such as petroleum and explosives, whilst phosphoric...
By: Cody Hodge
As much as I would love to believe that UFO's are spacecraft driven by extraterrestrial creatures I have to say I find it hard to believe. I think we can prove without a doubt that there is no intelligent life in our solar system besides...
By: Gerhard Adam
Radioactivity is dangerous to biological organisms and needs to be evaluated based on the frequency and magnitude of the exposure. There is always the point about doing a risk/benefit analysis but there seems to be some serious misunderstandings about what radioactivity actually is and how...
By: Cody Hodge
Have aliens already visited our planet? That is a very interesting question, but I would have to say that if they have already visited our planet, then they must not be that much more advanced than we are. The gap could literally be just a...
How to build your own laser
By: Jarn
"Building Your Own Laser"A laser is defined as an optical device which emits a beam of light radiation. Unlike light from other natural and artificial sources, a laser is monochromatic, meaning it only casts light of a very specific wavelength. If the wavelength were in...
Was the Apollo Moon Landing Real or a Hoax
By: Gerhard Adam
When dealing with the issue of something being a hoax or not, it is important to evaluate what kind of effort and result is expected to determine whether such an event is likely.It is far too easy to give in to cynicism and assume...
By: Prof. George Monaco
Most scientists aren't household names, but Albert Einstein was one-of-a-kind. He became a worldwide celebrity not just for his work in physics, but also for his personality. People's image of the friendly, absent-minded science professor with sloppy hair that's all based on Einstein! Today his...
Assessing UFO conspiracy theories
By: Cam Lamb
Today, most people have their own opinions about UFOs. Many will say they believe there is alien life in the universe. Others will say there is not life in the universe, but scientists find new planets every day, making opinions change. Although there are numerous...

 

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