Electron microscopes use a beam of electrons to examine very fine objects that are too small for study with a standard light microscope. Electron microscopy protocol describes the proper use of an electron microscope.......[Read More]

First predicted by Albert Einstein, Bose-Einstein condensates represent a strange arrangement of atoms that was not verified in laboratories until 1995. These condensates are coherent gases, created at temperatures that are colder than can be found anywhere in nature. Within these condensates, atoms......[Read More]

With heating oil prices as high as they are, you may be interested in building an experimental waste oil burner for a furnace, heater or boiler. This article walks you through converting a standard Beckett AFG oil burner to run on waste motor oil, used automatic transmission fluid (ATF), fryer grea......[Read More]

Pottery is an interesting and useful hobby that is simple to learn. Many people start by learning to make simple coil or pinch pots, which are made by forming the clay with your hands. However, to make larger or more regular structures, it is preferable to use clay thrown on a wheel. Learning to mak......[Read More]

Patinas are created by coating metals such as brass or steel in chemicals to promote aging and oxidation. They give metals a worn and aged look without waiting for the years it may take with exposure to natural elements. In addition, you can control the color of patina created on the surface of your......[Read More]

Modern arrowheads are used primarily for decoration.indian arrowhead image by Jim Mills from Fotolia.comNative Americans and other tribal peoples traditionally used arrowheads for what their name implies --- the tips of arrows. They also used larger versions of these sharp, triangular.........[Read More]

IPods are handheld devices that are used to listen to music, watch videos and play games. The devices come in an assortment of varieties depending on the personal preference of the user, including some that can hold as many as 40,000 songs due to their 160 gigabyte storage space. Due to their popula......[Read More]

The MMORPG "MapleStory" includes a variety of pets. Pets sit in the "MapleStory" store and cost a small to moderate amount of currency. The game's first three pets consist of a reindeer, Brown Puppy and Brown Kitty. The Brown Kitty, a cat pet, eats Porgy but requires little food. Though Brown Kitty ......[Read More]

If you earned scouting badges as a kid, one of them may have landed on your sash as a result of weaving a newspaper seat--called a "sit upon"--at camp so you didn't have to plant your shorts on the ground to toast marshmallows or make outdoor crafts. If scouting eluded you, perhaps you made potholde......[Read More]

The banks of creeks and rivers are home to pepper grass.fishing in the creek image by alice rawson from Fotolia.comMany water-loving plants can tolerate both wet and dry conditions, allowing them to survive even in drought-like condition. There are several types of plants with the common.........[Read More]

You can easily figure out how far away a lightning storm is simply by counting the time between seeing the lightning flash and hearing the thunderclap. Light travels fast enough (186,000 miles per second) that you can assume that you see the lightning the instant it strikes. If you know know the spe......[Read More]

A variety of projects may require you to stiffen a net, from making the buoyant tulle under a ballet skirt, to forming a crocheted yarn net into a basket, to conditioning the heavy mesh of a lacrosse net. There are several different ways to stiffen netting, and you should pick the one that is most ......[Read More]

Building a wood cannon can give you something special that will be admired by friends and military history buffs. Through a little ingenuity, skill and planning, it's possible to build a wooden cannon that will last for a lifetime. With this in mind, you will be able to have something that only a fe......[Read More]

For a weekend woodworker, there can be no greater joy than watching a friend or relative light up with pleasure at the first sight of your finished piece of woodwork. Seeing a child playing with a toy wooden car you have created for him is even better because you know he will get hours of enjoyment......[Read More]

Variable frequency drives are used in a variety of contexts where the speed of an electrically powered motor needs to be changed. One example is in heating and cooling systems. Variable frequency drives give the user the ability to change the motor's speed, so he can adjust the system to his comfort......[Read More]

Hosting a theme party requires spreading the amidst the entire party. From the food, to the beverages to the music, the theme should be intricately intertwined throughout the evening. If you are hosting a baseball themed party, this might mean baseball glove centerpieces, and ball park food served f......[Read More]

When files are too large, they take too long to download and take up valuable room on your computer hard drive. You can reduce a file size by saving it into a different format or reducing its image quality. For example, instead of saving an image as a high-quality JPEG file, save it as a low-quality......[Read More]

Ruby gemstones get their name from the Latin word ruber, meaning red. The value of rubies, like diamonds, is based on carats. The deeper the red and clearer the stone, the more valuable it will be. Rubies have been found across the world, but some areas are more known for them than others. Asian cou......[Read More]

"Any sufficiently advanced technology is indistinguishable from magic," science writer Arthur C. Clarke once said. Accordingly, a visually interesting science experiment can rouse in an audience a sense of wonder and awe, as well as a desire to see it again. So prepare to amaze your friends -- and t......[Read More]

There are grasslands on nearly every continent. Some are temperate grasslands barren of trees and some are savannas, but all grasslands face some of the same ecological problems. In Africa, these problems come from natural occurrences, human encroachment and the disruption of the natural ecosystems ......[Read More]