High fidelity (or hi-fi) is the gold standard of any audio or video enthusiast. Basically, it means that the images or sound are rendered with minimal background noise or distortion. The reproduction is “pure” or “faithful to the original” (hence the term, fidelity). Though hi-fi was first introduced...
Jute is a kind of fiber that is taken from plants and used in making many different types of items – for example, twine, rope, curtains, chair covers, hessian cloth, carpets and even the back of linoleum. These different uses are achieved by turning the jute fibers into thread through the process...
Polyvinyl chloride (also called PVC) is a type of plastic. Many people are actually familiar with it. Nearly all homes are fitted with PVC pipes. It is also used to make anything from water bottles to wall pipes, window frames to wall panels, credit cards to cling film, pens to credit cards. Even...
Physics In Action! There are many food dehydrators on the market or that you can build for yourself from purchased plans. Plug-ins or farm-size solar, many people have come to realize that food preservation by dehydration is better in many ways than canning or freezing. Dried food needs no sterile...
Sheep have very thick, warm coats. This is sometimes called wool, or fleece. It can be cut off from the sheep safely and gently—the animals experience no pain, and grow a new coat. Once this is done, the wool can be knitted or woven. People have been using sheep wool for many, many centuries....
Variable electronic throttle control systems can be found on an increasing number of motorcycles from manufacturers such as Aprilia and Ducati. These systems allow a rider to choose engine response and power to best suit riding conditions. A "Rain" mode, for example, may reduce both horsepower...
Liquid smoke is a concentrated seasoning that is used as a substitute to actual smoking of food stuff like beef, pork or seafood. Liquid smoke is used as a way of duplicating the distinctive flavor and smell of an authentically smoked food without having to need a smoker or a smokehouse. Liquid...
Neem oil is made from the extract of the plant azadirachta indica. Neem oil is used as a botanical pesticide. Farmers extensively use neem oil as an insecticide and miticide as a way of keeping away parasites and pests like aphids and white flies. Neem oil is a good pesticide because it doesn't...
Polyurethane is a type of synthetic material that grew in popularity during World War II. It is known for being quite durable yet flexible, and is used to make a number of products. Depending on its use, it can appear in many forms. For example, polyurethane can be used to make fiberglass (often...
Ripping a CD does not mean tearing it up into two. (That’s actually impossible—and when you think about it, pointless.) Ripping a CD means to copy music from a compact disk (or, in its more familiar abbreviated form, CD) to a computer. You can copy it file by file or use special software that...
