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Static electricity can be a bother when it shocks you unexpectedly, but during the winter months and when working with electronics, the static shocks can become frequent and painful. They can even be disastrous if a surprise shock ruins an…
The revolving nosepiece is an important part of a standard optical microscope. Used in classrooms and labs, the optical microscope is the most popular form of microscope due to its low cost relative to other types of microscopes as well…
Perhaps no turtle captures the human imagination more than the often misunderstood snapping turtle. These curious and friendly freshwater reptiles live extremely long lives, causing many people to wonder about the age of a snapping turtle they own or meet…
Calculating total area has many real-world applications. You can use it to determine how many tiles are required to cover a floor, the square footage of a house, the size of a tablecloth needed for a particular table or the…
The metric system of weights and measures is used by most industrialized countries around the world, although the United States still uses the Imperial system. The metric system uses meters and centimeters to measure length, while the Imperial system uses…
Ducks might be the most recognizable waterfowl on the planet. Cosmopolitan, or worldwide, in distribution and wildly successful, you can find various species of ducks in a wide range of habitats and regions, from the manicured ponds of busy theme…
Many science projects investigate a combination of independent and controlled variables to see what happens as a result – the dependent variable. To get reliable results from your experiments, you change the independent variables carefully and the controlled variables as…
A sigma value is a statistical term otherwise known as a standard deviation. Determining the standard deviation of a set of values helps a statistician or researcher to determine if the data set is significantly different than a control set.…
Nothing messes up an equation quite like logarithms. They are cumbersome, difficult to manipulate and a little mysterious for some people. Luckily, there’s an easy way to rid your equation of these pesky mathematical expressions. All you have to do…
When most people hear “rabies,” they imagine snarling animals dramatically frothing at the mouth. While this is definitely a simplification and not always true, it is also not completely false. Rabies is a deadly and frightening disease that can affect…
