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Hobbies & Science : Society & Culture & Entertainment
How to Convert ActiveX to Vb.NET & Vice Versa
ActiveX controls are significant to Web-based applications. ActiveX controls are a type of building block that can interactive with each other. It can display animations, drop-down menus, flash-based templates, dialogue boxes and much more. There is similarity between ActiveX and Java programming la
Ocean Water Resources Challenges
Oceans cover about 70 percent of the earth's surface, so any negative environmental impacts pose potentially global effects The salinity of seawater determines what species can inhabit marine environments. The physiology of the plants and animals that populate oceans reflects these adaptations. Man
How to Set Up a Reloading Bench
A reloading bench is a must for the firearms enthusiast that reloads their own ammunition. Exact measurements are a necessity and the proper place with permanently mounted tools for the job allows for accuracy and a better end product. Whether you load a large amount of ammunition or just a few roun
Directions for Mancala the Game
Although the exact origin of the game commonly known as mancala is unclear, similar games have been played for centuries in nearly every country in Africa. The simple board and pieces are easily improvised, with wealthy individuals enjoying beautiful boards of ivory and pieces of gold, while the les
How to Build a Wind Speed Calculator
A wind speed calculator is known as an anemometer. This type of device can be built from many types of materials to determine wind speed. A simple homemade anemometer can be built by using a few school supplies. You can then use the anemometer to see how wind affects the object that is used for the
How to Make a Pottery Wheel
Building a pottery wheel is far less expensive than purchasing a commercially manufactured model. To create pottery and ceramics, you'll need a pottery wheel and the physical ability to operate an electric or kick wheel-operated version of the machine. To make a potter's wheel, a visit to the local
How to Convert Mg to Ng
Milligrams, abbreviated mg, and nanograms, abbreviated ng, measure small quantities of mass in the metric system. The gram is the base unit and "milli-" and "nano-" are prefixes. The prefix "milli-" represents 10^-3, or 0.001, while the prefix "nano-" represents 10^-9, or 0.000000001. Since the 10^-
How to Blacken a Camera Leather Cloth
Photographers blacken their darkroom leather or cloth items to increase the quality of their finished photographs. Light-reducing black dyes are spread onto the light colored fabrics that will be used in the darkroom at least 24 hours before the film developing session begins. The newly dyed camera
Chemical Treatment of Leather
Leather is treated with chemicals throughout its life. Without the necessary chemical process, leather would rot and disintegrate as a part of the natural decomposition process of skin. Leather is also treated after it has been made to give it certain colors or qualities. Even after leather is sold,
Artifacts From Shipwrecks
Humans have been sailing since the dawn of recorded history. Maritime trade played a vital role in connecting different cultures. Then, as now, the elements could be dangerous, and ships were wrecked. A variety of artifacts, however, could be preserved in a sunken ship. Underwater archeology studies
How to Calculate the Mann-Whitney U Test
The Mann Whitney test is a statistical test of whether two populations have the same location, or central tendency. It is an alternative to the t-test, but unlike the t-test, it is distribution-free, i.e., it does not make any assumptions about the distributions of the populations involved. Such met
How to Cut Miter Corners on Trim Molding
Trim molding, or just trim, is the decorative wood work that is placed around a door or other opening. In order to completely outlline an opening with trim molding, it is necessary to join together two pieces at each corner. What makes this difficult is that angles must be cut in order to join the
Pokemon Ranger FAQ
Pokemon Ranger is a role-playing game set in the Pokemon world. Unlike previous games, the player takes the role of a Pokemon Ranger rather than a Pokemon Trainer. The game play changes noticeably from previous games for this reason. Pokemon Ranger is a fourth-generation Pokemon game, with Diamond,
White Dwarf Varieties
Before they die, 97 percent of stars will go through a white dwarf phase. A star enters this phase after it has burned all its nuclear fuel such that its fusion process ceases. Fusion was, until then, the primary outward force countering gravity's inward pull. So gravity takes over and drastically s
How to Test the Solubility of Carbon Dioxide in Salt Water
Carbon dioxide is a naturally occurring gas present in our oceans -- and it's also readily dissolved in salt-water aquariums. The rate of dissolution is also known as solubility, and is typically notated in milligrams of solute per liter of water. To get a full description of the amount of carbon di
How to Make the Strength of Two Magnets Repelling Stronger
Magnetic permeability is a measure of the ability a material has to support the formation of a magnetic field. Materials with high magnetic permeability amplify the magnetic field that is naturally produced around a magnet in the open air. Materials with low magnetic permeability will reduce the str
Common Chemical Reactants
Chemical reactants are chemical compounds that scientists use to form new products. The reactants used are specific to the type of reaction required. There are a vast number of organic or synthetic chemical compounds that scientists can use, but the most common chemical reactant is water.
Pinewood Derby Construction Techniques and Designs Built for Speed
For many Cub Scouts, the Pinewood Derby race is one of the most-anticipated events of the year. Though everyone begins the process with the same simple block of wood, there are several ways Scouts, and their dads, can build a car for speed and stand out from the pack.
How to Determine the pKa of an Unknown Acid
The pKa of an acid is a measure of its strength: the lower the pKa, the stronger the acid. Hydrochloric acid has a pKa of -8, for example, while acetic acid (vinegar) has a pKa of 4.8. Determining the pKa of an unknown acid is a common assignment in introductory lab classes; it's also possible you m
How to Clean & Gut a Trout
Trout is a freshwater fish with a taste best described as mild, and a texture similar to that of salmon. Trout do not have scales and their skeletons are very compact which makes them fast to gut and clean. Smoking or baking trout are both popular cooking methods. As a result of its natural habitat