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About Chemistry
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Hot and Cold Valentine Chemistry Demonstration
Mon, 06 Feb 2012 08:36:00 +0200
Here's a fun and easy Valentine's Day chemistry demonstration. Take a pink liquid, heat it up and watch it turn colorless. Upon cooling, the color of the liquid will return...
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This Day in Science History - February 6 - Joseph Priestley
Sun, 05 Feb 2012 22:05:00 +0200
February 6th marks the passing of Joseph Priestley. Priestley was an English theologian and natural philosopher who is best known with this experimental works with gases or "airs". He was...
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Quick Emulsifier Chemistry Demonstration
Sun, 05 Feb 2012 21:39:00 +0200
Soap is good at cleaning because it acts as an emulsifier, enabling one liquid to disperse into another immiscible liquid. While oil (which attracts dirt) doesn't naturally mix with water,...
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How Febreze Works
Sun, 05 Feb 2012 17:00:00 +0200
The other day I got frozen tiny shrimp to feed the jellyfish and pipefish in my aquarium. I used my fingers to drop a pinchful of shrimp into the water,...
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This Day in Science History - February 5 - Indiana Pi Law
Sat, 04 Feb 2012 22:05:00 +0200
On February 5, 1897, the Indiana General Assembly voted unanimously to pass a bill set the value of π equal to 3.2. The bill actually dealt with issues behind an...
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Xylitol May Be Deadly to Dogs
Sat, 04 Feb 2012 08:13:00 +0200
Many dog owners are aware that chocolate, coffee, and grapes are toxic to dogs, but did you know about the risk from ingesting the common sweetener, xylitol? Xylitol is a...
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This Day in Science History - February 4 - Friedrich Hund and Hund's Rule
Fri, 03 Feb 2012 22:20:00 +0200
February 4th is Friedrich Hund's birthday. Hund was a German physicist who introduced a method to use molecular orbitals to determine electron structure of molecules and bonds. Hund's rules are...
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Friday Fire Project - Fire Magic Tricks
Fri, 03 Feb 2012 12:24:00 +0200
If one fire project is good, then more is better, right? I grouped together the fire projects that could be used as fire magic tricks, so you can play with...
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Color Change Thermometer Project
Fri, 03 Feb 2012 07:41:00 +0200
Here's a color change project that will give you a liquid that fluctuates between pink and blue as the temperature changes.What You Needbeaker or attractive clear container3 g cobalt(II) chloride...
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This Day in Science History - February 3 - Space Race Firsts
Thu, 02 Feb 2012 22:05:00 +0200
February 3rd, 1966 was a day for two 'firsts' during the Space Race between the United States and Soviet Union. The United States launched the first meteorological satellite, the ESSA-1....
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