Science

While the nature of the universe presents many barriers to achieving true immortality, there are still avenues to "living forever," though they may not be what you had hoped. While...

Relay switches are responsible for causing an action through an electrical current. These devices are found in a number of machines, vehicles and other equipment. They are commonly found in cars...

Making a crystal radio is an easy and fun project for kids and newbies who want to learn about electronics. Crystal radios are easy to build and they don't require any batteries to work! The...

Tropical depressions don't always evolve into hurricanes, but they are indicators that conditions are ripe for a hurricane to develop. The most active months for tropical depressions to form in...

Growing mold is easy, especially if you are doing it on purpose. Mold growth is determined by three main factors: temperature, moist conditions, and the source of nutrients on an organic...

In this article I will show you all three step to making your own soda and vinegar bombs. Let's begin

In the simplest terms, a thermometer is used in weather forecasting by measuring temperature. The name is made up of the two words: "thermo" meaning heat and "meter" meaning to measure....

Almost everyone is familiar with the sound of a humming crystal goblet, the hum caused by someone repeatedly circling a moistened fingertip around the rim of the glass. Flicking the rim of the...

Ever wonder how much rain has fallen on a stormy day? Well wonder no more! This article will teach you how you can measure your own rain!

Putting bacteria into a Petri dish is another way to describe what is termed inoculation of the bacteria. The dish contains a specific growth medium with agar to make it solid. You'll use a...

I have lived in North Dakota my entire life. In that time I have learned that the winter months are nothing to take lightly. Winter months typically bring heavy snowfalls, high wind speeds, and...

A welding hood is used during arc welding to protect the welder's eyes. Protection from the light of the welding arc is achieved by using either multiple layers of transparent safety-glass...

The Gregorian calendar is the main calendar used throughout most of today's world. The calendar derives from the Christian calendar of the Middle Ages and Renaissance, which in turn derived from...

Magnets are able to exert forces at a distance, such as by attracting elements like iron and steel. They have two poles called north and south. These poles are so labeled because of an attraction...

Building a DNA model can be as simple as using some licorice, marshmallows and string. Making a candy DNA model is a great way to visually understand the double helix, and a way to make the...

In this article I will teach you how to make smoke bombs, step by step. I will show you how to combine that right ingredients, how to cook them, how to shape them and even how to use them!

The 21st century affords the option of purchasing incandescent and/or fluorescent light bulbs for our homes. The bulb varieties are considerably different in construction, in mode of operation,...

The search for alternative sources of power has increasingly focused on green sources. Nuclear power is only one of these technologies. Solar, wind, hydroelectric and geothermal power are viable...

The word "phonograph" comes originally from Thomas Edison, who invented the first practical version of what became the basis for the world's record players. Today record players (or turntables)...

Genetically modified organisms (GMOs) are animals, plants and even bacteria that have been engineered to exhibit certain positive qualities and eliminate attributes that are undesirable. The Human...

Not all plastic is created equal when it comes to recycling. To help consumers understand what they can recycle, The Society of the Plastics Industry (SPI) created a numerical coding system in...

Amoebae are single-celled, crawling organisms often found in ponds. They have no definite shape and consist of flowing cytoplasm encased in a very flexible cell membrane. Amoebae have organelles...

A gyroscope, which works like a toy top, is primarily valued for its ability to maintain its orientation. Gyroscopes can also be used to measure movement or help an object stay upright and are...

Hydrothermal vents are geysers found in the deepest parts of the sea. They are home to unusual forms of life, including bacteria, giant tubeworms, eyeless shrimp and giant clams. More than 300...

A lucid dream is one in which you realize it's a dream and can control what happens within it. Some people realize this often, where others have trouble. These tips will help you have more fun...

The cell membrane is the boundary between a living cell and its outside environment, and it is responsible for regulating what molecules pass into and out of the cell. Cell membranes can be...

Fingerprint analysis has been used for identification purposes for over a century and has been a key component to law enforcement for many years. Since everyone has a unique fingerprint, and...

Air is a mixture of Oxygen, Nitrogen and small amounts of other gases. Theoretically (and in practice) it is possible to separate these gases from each other, and extract them.

Although today the name bazooka is synonymous with any shoulder-held rocket launching device, the first bazooka was the U.S. Army's M1 Rocket Launcher. Introduced in World War II, soldiers using...

We needed an accurate rain gauge for a recent science project. This article will show you how to make a simple rain gauge from a 2 liter bottle. It is a great project for kids and will keep them...

Borax is a natural compound used in many industries for heavy-duty cleaning, pesticides and as a preservative in certain products. Borax is found deep underground. In the United States, borax is...

The physician guided endoscope is a small flexible telescope that is guided by a physician through an opening in a person's body. Light is directed through a tube inside of the endoscope to...

Hygrometers are devices that are used to measure the amount of humidity in the atmosphere. Humidity is a meteorological term that describes the water vapor that exists in the air at any one time....

Respiration is the process that gets oxygen from the air to the tissues of the body and removes carbon dioxide from the body. Metabolism refers to all the chemical reactions in the body, including...

Respiration is the process that gets oxygen to the tissues of the body. In mammals, this involves inhalation through the nose into the lungs, where oxygen enters the blood. Oxygenated blood...

At its most basic level, distillation is simply the heating of a substance or a combination of substances, whether in a vessel or not, to drive off one or more volatile components. In...

Lipids are an important part of the body, along with proteins, sugars and minerals. Lipids are important for cell membrane structure, regulating metabolism and reproduction, the stress response,...

Lipids are a major part of the body, making up the bulk of cell membranes, the contents of fat cells and several vitamins and hormones needed to keep your body functioning properly. All lipids are...

Hello. I am a paranormal investigator with Mason Dixon Paranormal Society out if Gettysburg Pennsylvania. I have been interested in ghosts and parapsychology all of my life. In college I studied...

Argon is the most prevalent noble gas found on Earth. It has a variety of applications in areas that require a non-oxidizing atmosphere without nitrogen, particularly in welding. Since the 1920s,...

The low-gravity environment and limited water supply on space shuttles and space stations create special challenges for astronauts. In a low-gravity environment, items and people float unless they...

Hydrogen is number one on the charts --- the periodic table of the elements, that is. It is the lightest and most abundant element, making up approximately 90 percent of the universe by weight....

Have you ever wanted to make plastic? There are good reasons for making your own, safely. This plastic-making instruction can be used for making crafts, a molded part, or children’s science...

Have you ever looked up at the sky as a plane flew overhead, and wondered, "What kind of plane is that?" Here is an article geared toward breaking down an unidentified flying object...

An electro magnet has advantages over a permanent magnet in that it may be turned on and off at will. It can be used in a science class to demonstrate the movement of electrons in a wire and to...

Stem cells have two functions; they divide (proliferate) and their daughter cells become specialized tissues as they lose the ability to divide. This change-from a dividing cell to a specialized...

Stem cell technology allows researchers to isolate and grow stem cells, then turn stem cells into specific cell types that can potentially treat many conditions in humans and animals.

Bio diesel is a form of fuel that can be made using regular cooking oil and a few additives. It is more cost efficient, better for the environment, and actually helps keep your entire fuel system...

I know Mom and Dad said not to play with matches, but this is a little something I used to make that I thought some of you might get a kick out of. I know the guys at work do when I build my...

A magnifying glass is used most often to optically enlarge letters, numbers, words or objects. One must admit, it's somewhat fun to magnify stuff. In this simple experiment we will bend light...