By: Joel Galang
The mass spectrometer is one of the most versatile instruments available to the analytical chemist. It can analyze samples that are gases, liquids, or solids. It is used to analyze individual atoms or complex biopolymers. When coupled with chromatography, which is a broad range of...
By: Brian Dodson
The phases of the Moon run through a constant cycle of about 29.5 days. The period of time is a bit shorter than a month (29.5 x 12 = 354 days, while the sidereal year is 365.24 days). The extra 11 days...
By: Lenna Gonya
For anything to float, it has to be less dense than the medium it is in, and, it has to be able to displace an amount of fluid equal to it’s own weight.Water is one of the few substances that actually loses density...
Why does ice float?
By: Becky Robbins
With winter upon us, snow and ice illuminate the world in a winter wonderland. As children skate across that frozen pond, the question comes to mind of why ice floats. After all, it is just water in another form. The reason that ice floats can...
Galileo's discoveries and how they have influenced our lives
By: Laura Hippert
Galileo plays a vital role in the history of astronomy, mathematics, philosophy, and physics with his discoveries of the astronomical telescope, the thermometer, the compass, the pendulum, and many more. While these discoveries paved the way to many new insights about the world around us...
What happens chemically when fruit turns brown
By: Brian Dodson
We have all been there. Preparing a special salad, or an apple pie, wanting everything to be perfect for our family and guests. Then, before the blink of an eye, the pristine juicy cut surfaces of the fruit begin to turn brown and ugly. We...
By: Alison Bowler
Chlorine, a gaseous halogen has atomic number 17 and belongs in group 17, period 3 and the p-block of the periodic table. Needing only one electron to fill its outer electron shell, chlorine readily forms compounds with most other elements. Because it is so reactive...
Book reviews: Relativity, The Special and the General Theory by Albert Einstein
By: Dyana Hepburn
RELATIVITY The Special and the General Theory, (C)1961 by the Estate of Albert Einstein Authorized translation by Robert W. Lawson, University of Sheffield RELATIVITY is a classic of scientific literature. I now appreciate Albert Einstein much more than before after reading his own writings. I...
By: Alison Bowler
Argon, a colorless and odorless gas, makes up 0.93% of our planet’s atmosphere. This makes it the third most abundant element in our atmosphere after nitrogen and oxygen. Martian atmosphere is richer in this element containing 1.6 % argon. It is a...
Reflections on the existence of UFOs
By: Wes Kelly
After Operation Blue Book and the Condon Commission report it is amusing to consider the disavowal that "air force personnel are not authorized to comment on unidentified flying objects." Remember this if you ever have a question at an air show. An easy but...

 

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