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How to Remove the Regulator From a Nitrogen Tank
Nitrogen usage is prevalent in many research and industrial applications. If the gas supply must be portable then it comes in gas tanks. The gas lines for nitrogen are centrally located with lines that run to locations of need. When the pressure in the tank runs low, removal of the regulator allows
How to Make a Simple Beaded Wind Chime
When you buy wind chimes from a department store or garden supply shop, you may feel dismayed by the limited or lack of selection. Although you could settle for hanging up a store-bought wind chime, you can also create your own handmade wind chime using a few craft materials that you may have around
Is a Cyalume Light Stick Toxic?
Cyalume light sticks and light bars are nontoxic and work by way of a chemical reaction not unlike fireflies. The tubular plastic light sticks and light bars contain chemicals that create a bright, dependable light.
Metal Stamping Design Ideas
Metal stamping crafts cover a wide range of items and materials---foils, sterling, copper, jewelry, home accessories, book covers, framed artwork. Place verses and words of inspiration on metal using letter stamping tools. Stamp thin metal to create an embossed design to apply to a craft...
How to Graft a Pixie Tangerine
Tangerines are fruits in the citrus family. The pixie variety is a pale orange seedless fruit with sweet juice. They are borne on trees that grow in tropical to sub-tropical climates. Pixie tangerines are late season trees which produce ripe fruit in March or April and are susceptible to late season
How to Clean a Penny With Malic Acid
Pennies that date before 1982 are made mostly of copper. Those printed after 1982 are mostly zinc with a copper plating. You can clean any penny with malic acid, but post-1982 pennies should not be over exposed to the acid as it can eat away at the zinc. Malic acid is found naturally in the juice of
How to Make a Liver Out of Clay
Liver clay models can make an interesting biology project, as they allow children to explore the human body in a creative manner. The liver is the largest solid organ of the human body and also the largest gland. The particular substance the liver produces is bile, a fluid that assists digestion and
How to Make a Rain Gauge for School
A rain gauge is a device used to measure the amount of rainfall over a given period of time. Making such a gauge can be a fun activity for a school project or a home crafts project for children of any age. When learning about the weather, making a simple rain gauge helps encourage participation and
How to Calculate Thermal Conductivity in Gas
The thermal conductivity of a substance measures its capacity to conduct heat. Heat transfer in gases occur due to intermolecular collisions. As intermolecular collisions increase with temperature, gaseous thermal conductivity increases with elevated temperature. It is possible to calculate the ther
Properties of Oxalic Acid
Oxalic acid is one of the strongest known organic acids. Despite its toxic nature, oxalic acid enjoys a variety of uses in industry, primarily as a purifying agent in the pharmaceutical industry, a precipitating agent in rare-earth metal processing, a bleaching agent in various industries, a grindin
Electric Glass-Cutting Tools
Cut glass can be used for many projects.colorful glass hearts image by circotasu from Fotolia.comMany craft projects require cut glass pieces of all shapes and sizes. Traditionally, glass was cut with a hand-pushed cutting wheel. This process was tedious, to say the least. Because of the...
How to Find Ratman in "Poptropica"
"Poptropica" is an online game for children where they can use their computer mouse to move their avatar round a series of islands featuring games and quests. Ratman is one of the villains who must be arrested on Super Power Island and is located in the sewers under City Park.
What Temperatures Do Polar Bears Live in?
The polar bear is the largest terrestrial carnivore on Earth, matched only by an Alaskan subspecies of brown bear, the Kodiak. The polar bear also is the most exclusively meat-eating bear. Big males may weigh close to a ton and span 10 feet from nose to rump. These huge wanderers of sea-ice, which h
Ways to Identify Geometry in Nature
Nature is rife with examples of geometry. Triangles, circles, squares, cubes, spirals and more are present in every level of the natural world. From the construct of the human form, shown vividly in the "Vitruvian Man" as drawn by Leonardo da Vinci, to a snowflake, flower or sliced-open orange -- ge
How to Build a Full-Size Side-by-Side Bookcase
When designing a full-size, side-by-side bookcase, keep in mind that books can be heavy and that shelves will bend. Compensate for these issues by making your bookcase with 3/4-inch, furniture-grade plywood and 3/4-inch hardwoods. Keep the bookshelves narrow. A typical bookcase is only 11 inches dee
LCD-Based Projects
LCD is used in a number of small-scale technologies, such as cell phones and watches.lcd tv image by Eray Haciosmanoglu from Fotolia.comLiquid Crystal Display, or LCD, is a technology used in a number of electronic devices in 2010. LCD technology employs two panes of glass to sandwich and...
Instruments Used to Detect Seismic Activity
The Earth is always moving.Jupiterimages/Photos.com/Getty ImagesLarge shifts in the Earth's crust cause cataclysmic earthquakes all over the world. But smaller shifts in fault lines occur all the time. Geologists study these smaller shifts, hoping to learn how and when earthquakes occur....
The Marbled Murrelet Diet
The diet of the marbled murrelet impacts many parts of this solitary seabird's habits and lifespan. This North American bird measures less than 10 inches in length and weighs no more than ½ lb. Despite its small size, it is a skilled fisher and gets most of its food from the water.
How to Convert Between American & Metric Units
In 1670, a French vicar named Gabriel Mouton originated the decimal-based metric system, which has gained near-worldwide acceptance, with at least one notable exception. Although the United States has taken steps to officially adopt the metric system, it was met with considerable public resistance.
How to Calculate Your Footprint From Waste
Calculate your waste footprint in order to understand how you can do more to help with the environment. This is a complicated mathematical process, so it is much easier and more efficient to use an online calculator to do so. You still need a certain amount of information, however, to proceed with t