Hobbies & Science : Society & Culture & Entertainment
In the 1920s, Adi Dassler hired two shoemakers to create the first shoes designed for athletes. By 1927, his first shoe was patented in Germany. After WWII, the company contracted with the American Army to produce ice hockey shoes with canvas tops scavenged from U.S. Army tents. By the 1960s, Adidas
Biodiesel is a fuel product that is made from vegetable oil. It can be used in just about any diesel engine without having to modify the engine. If you are tired of paying too much for your truck's fuel, then make your own biodiesel at home and save about 50 percent on your fuel costs.
Improve your pinewood derby by tweaking the wheels and axles.racing car image by Goran Bogicevic from Fotolia.comReady, Set, Go! The Pinewood Derby race is one of the Boy Scouts of America’s premiere events for Cub Scouts. Every year, Cub Scouts and their adult partners spend weeks...
Every major scientific entity in the world has confirmed a belief that humans are contributing to climate change and that global warming is a very real threat. Although many prefer to believe that global warming is just a liberal hoax, the science proves otherwise. What is less certain is what the a
Candleholders come in a wide variety of shapes, sizes and styles. Glass holders are popular, as are naturally based candleholders. Natural products make up a large portion of home product sales, but they can be costly. It is often much simpler and more cost effective for homeowners to create their o
For model car enthusiasts, tracking down and painting their favorite automobiles can be as satisfying as taking a test drive in the real thing. Though most paint their models to look shiny and new, others add a touch of realism with scuff marks, paint chipping and patches of rust. With some model in
A plain ceramic teapot is just begging for decoration. Upgrade your teapot from blah to fabulous, and it will make a good gift or addition to your own tea set. You don't have to be a professional artist to add embellishment to a teapot, and all the supplies you need are available at a craft store. B
A bullwhip is an agricultural tool traditionally used by cattle drivers and teamsters to manage livestock by cracking the whip, which makes a startling noise that drives herds to move. The bullwhip is constructed with a thong that contains 8 to 16 strips of braided leather, a wooden or cane stick ha
Most industrialized nations feature a monetary system that includes coins. Coins are pressed within mints. In the United States, several mints across the country make up the United States Mint. The U.S. Mint produces a large number of coins per day to keep coins in circulation. The Philadelphia U.S.
In many situations, the purity of a water supply or water source must be determined by chemical analysis. Some of these situations include determining the purity of drinking water, discovering the level of pollution in a natural body of water that may harm wildlife, and monitoring the effectiveness
Battery banks are composed of several battery cells arranged in either a parallel circuit or a series circuit. Depending upon how the battery cells are arranged in a battery bank, removing one battery cell may adversely affect the battery bank's ability to supply electrical power.
Dinosaur fossils are preserved dinosaur remains found in geographical locations around the world. Such fossils can help scientists to learn about the history of the earth and about the characteristics of extinct dinosaurs which are a part of Earth's history. Scientists who uncover and study dinosaur
Acid rain is caused by certain types of pollution that release carbon, sulfur dioxide and similar particles into the air. These particles mix with water vapor and give it an acidic quality that continues as the water vapor is gathered into clouds and falls as rain. This higher acidic content has bee
Salt is often used in ice cream makers to make the water surrounding the inside container cold enough to freeze the cream. In fact, within half an hour or so, the super cold water can freeze sweetened cream enough to turn it into ice cream. How does salt make water so cold?
Although keeping porcupines as pets is illegal in most states, zookeepers, those who rehabilitate wildlife and people under the direction of animal control are permitted to feed newborn porcupines. Born in April and May, newborn porcupines come out fully developed with their eyes open and their quil
IntroductionAs little Timmy opens his first Christmas present, the sound of excitement fills the room, but the bright red radio control truck doesn't work without its counterpart, the simple D-Cell battery. What exactly makes this small piece of metal so crucial to today's society?The...
Gold has been the standard for the currency of many nations over the course of history, and the United States is no different. The U.S. Mint struck gold coins between 1796 and 1933 for use in general circulation. The combination of value and rarity of American gold coins makes them prized possession