Monthly Archives: August 2015

Vodka is used for science experiments because it is a relatively inexpensive form of ethanol in water. (photo credit: Andrew Cheal)
I’m commonly asked why many chemistry ‘recipes’ call for vodka or Everclear as opposed to medical-grade ethanol (alcohol). The answer is simple: It’s easy and inexpensive to obtain vodka, while obtaining medical-grade ethanol, even if you have a permit, can be expensive. Aside from the regulations surrounding ethanol, it’s a […]

Why People Use Vodka for Science Experiments

Oobleck is a type of slime that behaves as a viscoelastic or non-Newtonian fluid. (David Mulder) 2
Slime is a classic science project. There are lots of different ways to make it, so you’re sure to have ingredients to make it. Here’s a collection of easy slime recipes to try: Classic White Glue and Borax Slime Recipe Let’s start with the go-to slime recipe, made using white […]

3 Easy Slime Recipes

Periodic Table Chart - Dark Background
New Color Periodic Chart This periodic chart is a colorful addition to the periodic table wallpaper collection. Each element group is represented by a different colored cell containing the element’s atomic number, element symbol, name and atomic mass. The full-sized image is 1920×1080. This makes it perfectly suited to use […]

Color Periodic Chart

Chemistry Cat
It’s commonly believed that taurine is an amino acid. There are a few reasons for the misconception. The chemical name for taurine is 2-aminoethanesulfonic acid, so it has an amino group and is an acid. Taurine has the “-ine” ending that is common with other amino acids, plus it is […]

Why Taurine Is not an Amino Acid