No, a water hammer is not a piece of heavy machinery or a new-fangled plumbing tool. It is actually a sound, and a very loud one. When the water flow in the pipes is suddenly shut off, the shock wave (from the shift in water velocity) produces a very distinct knocking or hammering sound, or a...
Velvet is a kind of fabric. It tends to be associated with luxury and sophistication, because (traditionally) it was a very rare and expensive material used only by the rich for special occasions or for fine décor. It was the favored fabric of royalty and was prized not only because of Its beauty...
Propria Persona is a Latin phrase that translates to for one’s self, but is abbreviated to Pro Per. This Latin phrase can also reference another Latin phrase, Pro Se, which similarly translates to for oneself. Both Latin phrases are used to describe a litigant who wishes to represent one’s self at...
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...
Suede is a beautiful fabric—very smooth and sophisticated, and much prized for bags and shoes. It is also used in home décor. However, suede is quite delicate. It is important to use specialty cleansing products, because even if it is a type of leather, traditional leather cleaners will damage...
Suede is leather with a smooth nap finish. It has a beautiful smooth and velvety texture, but is not as durable as traditional leather. It can be damaged when exposed to water and, once stained, can be difficult or even impossible to clean. Suede items need special cleaning implements and are...
Steel rule die cutting is a fairly easy and straightforward cutting method. It is used for many kinds of materials, from paper to even plastic, foam and rubber. Aside from cutting sheets into different sizes, it can also create perforations, creases, and even slits. The “die” refers to a flat...
The Girl Scout organization aims to build the courage, confidence, and character of girls who will help to make the world a better place. In this organization, girls discover the fun, friendship, teamwork, camaraderie, and power of girls working together for a common goal. There are many activities...
Screen printing is sometimes called silk screening. It is a type of printing technique, usually used for flat surfaces. It is often used to decorate t-shirts and banners. The procedure is straightforward and simple, but tedious. First, a screen (or a fine mesh material) is stretched, like a...
Sandblasting is, in a nutshell, blasting sand—specifically, propelling it with such force and speed that it can actually clean a surface, or leave marks on it (such as designs, words, or patterns). However, the term has also been applied when materials other than sand are used. That’s because...
