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Hobbies & Science : Society & Culture & Entertainment
How to Concentrate Sulfuric Acid
Sulfuric acid, also known at sulphuric acid and oil of vitriol, is composed of hydrogen, sulfur and oxygen. It is a colorless, oily liquid that mixes well with water. The acid is highly corrosive and can quickly and permanently damage skin. Sulfuric acid has many industrial applications, with 65 per
How to Use Turning Chisels
Turning chisels are used with a lathe to shape wood stock. Common turning chisels include the gouge, parting tool, skew and scraper. Each type of turning chisels is used for a different phase of the wood-turning process. Gouges remove most of the original wood stock to reduce the wood to a round sha
How to Lay Out an Angle as a Machinist
A machinist cannot afford to make mistakes when drawling angles on a blueprint. A machinist generally uses a tool that every grade school student knows: a protractor. A protractor gives you the ability to draw a straight line. After centering the line, you can use the numbers on the protractor to d
How to Convert Gas-Powered Boats to Electric
Converting a gas-powered boat to electric propulsion is as good for your wallet as it is for the environment. It's a good idea if you have prior knowledge and experience with wiring and outboard motors. The process will involve disassembling unnecessary parts, the installation of batteries and anoth
How to Align Radio Control Transmitters
The transmitter is your only method of communicating with your radio-controlled (RC) vehicle. Radio signals move from the antennas down to the receiver, which then directs the different mechanical devices in accordance with your commands. In order to successfully navigate your RC vehicle, it is impo
Easy to Make Folding Chair Covers
Metal folding chairs are inexpensive and utilitarian, but they're not very attractive. One way to dress them up for a party or wedding is to cover them with an attractive slipcover. When made with muslin or another inexpensive cotton fabric bought by the bolt, these folding chair covers can be less
What Happens to a Bridge When There Is Wind Shear?
In November 1940, a stiff breeze brought down thousands of tons of concrete and steel. The Tacoma Narrows bridge, spanning a part of Puget Sound in Washington state, had been completed in July of that year. Wind shear-induced vibrations built up in the bridge, causing it to undulate visibly. In wind
How to Install Trolling Motor Batteries
Trolling motor batteries are deep-cycle lead-acid batteries designed to produce a set output, even when they are almost discharged. Trolling vessels need high-endurance batteries, as they can use a lot of electricity while moored overnight, but still need to have the energy to start the motor when r
Types of Antique Cut Glass
Candy dishes were often made from cut glass.chocolates in a dish image by leafy from Fotolia.comCut glass classified as antique was made from the mid 1600's to the early 1900's. It started off being blown by hand or into a mold to make what is called a blank onto which a pattern was...
How to Calculate Solubilities
Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a given temperature. Such a solution is called saturated. Solubility is measured either in grams per 100 g of solvent (g/100 g) or number of moles per 1 L of the solution. As an example, calculate the solubi
The Metric System of Measurements
The metric system of measurements is a decimalized system--meaning the units are related by powers of ten--for measuring various physical quantities, including length, mass and temperature. Most European countries use this system of measurement, while the United States uses a system based on older u
Wood Circle Projects
There's a number of things one can create with a wood circle, including clocks.clock image by musk from Fotolia.comMaking a wood circle project can be daunting to even a skilled woodworker. Working with and creating circles takes a good deal of prowess in a workshop, but it doesn't have...
How to Make a Duck Tape Backpack
Duck tape (also known as duct tape), it's not just for household repairs anymore! Developed by the military during World War II as a water resilient sealant for ammunition casing, this versatile reinforced polyethylene tape substance has a multitude of daily uses. In recent years, with the growing D
How to Build Cardboard Playhouses
A playhouse can be a fun space for kids to host tea parties and play hide and seek. A cardboard playhouse can be made easily at home, and can be a thrifty alternative to buying a similar item at a toy store, where playhouses can be expensive. With a few basic materials and tools, you can quickly and
What Are Nicad Batteries?
Nickel-cadmium--or "nicad"--batteries are a type of rechargeable battery. This type of battery contains two electrodes made of dissimilar materials that are exposed to an electrolyte. The battery produces a voltage differential across the electrodes, and can be used to do work.
How to Make a Copper Ion Solution
You can make a solution of copper ions by dissolving an ionic copper compound in water. An ionic compound is one where the molecules of that chemical are made of two oppositely-charged atomic groups. In ionic copper compounds, each molecule contains a positively-charged copper ion and a negatively-c
How to Add a String to a Shortbow
The shortbow is often the favorite of all ranging weapons in the "RuneScape" online game. Shortbows fire much faster than the longbows. Fletching, or the skill of making bows and arrows, is a "RuneScape" members-only skill. You must have a fletching level of 5 to make and string shortbows. Fletch
ATV Repair Help
ATV riding can be a wonderful family friendly activity, but it is important for ATV owners to know what to do when something goes wrong. Some basic troubleshooting skills will help riders save the day on the trail while eliminating some costly repair bills. While some problems will require the help
How to Assemble a Glass Block Wall
Walls made of glass blocks are not only a distinctive addition to any home, but they also provide insulation that could help save energy. Glass block walls may be found in bathrooms, offices or any other rooms instead of a standard window to add a dimension of elegance. Constructing your own glass b