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How to Get a Third City in Camelot on Facebook
Beginning on March 30, 2010, the social networking game "Kingdoms of Camelot" allowed players to expand into a third city. While adding a second city requires minimal questing and a certain number of friends playing the game, the third city has considerably more difficult requirements, mixing quests
The Advantages of Open Pit Mining
Open pit minequarry image by Goran Bogicevic from Fotolia.comOpen pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly. The working conditions are safer for the...
What Is Green Onyx?
Green onyx is a mineral of the Earth that is a compacted and colored form of quartz. Unlike ordinary quarts, the crystalline structure is fine and compacted, making it ideal for gemstones, and cameos.
How to Hone Woodworking Tools
Dull blades are dangerous to your health. They do not cut wood easily but will slice through flesh in a flash. With a well-sharpened blade, the wood seems to cut itself. The key is to always keep your woodworking tools as sharp as possible. You should hone your tools before each use. This will keep
Dalton's Characteristics of Atoms
As a result of his experiments combining oxygen and carbon, John Dalton observed the ratio of carbon to oxygen always remained constant in each compound. To explain why atoms combined in fixed ratios, Dalton proposed his Atomic Theory, which describes the characteristics of atoms.
Power Wheels Assembly Tips
The Power Wheels line of toys are small cars with limited power, but which drive a lot like their larger counterparts. Many of these cars are decorated to look like larger cars, but when they first arrive they're not constructed. You have to assemble the Power Wheel car first to get your kids drivin
How to Design a PCR Primer
According to the University of Wisconsin's BioWeb website, a PCR primer is a short, synthetic oligonucleotide (usually between 18 to 25 bases long) used to amplify specific regions of DNA in a molecular biology technique known as polymerase chain reaction (PCR). Both a forward and reverse primer are
Principles of Modern Architecture
Ancient Roman architecture has influenced countless modern designs.Buena Vista Images/Photodisc/Getty ImagesModern architecture still draws from a variety of historical precedents in building design, with features such as the arch and column remaining popular due to their sound basis in...
How to Convert a Mach Number to Miles Per Hour
The term "Mach" is often heard in reference to high-speed vehicles such as jets. The Mach number is a ratio used to describe the vehicle or aircraft's speed compared to the speed of sound. Mach is named for Austrian physicist Ernst Mach. The Mach number ratio is described as M=v/a where "v" equals t
How to Grow a Frog Tadpole
Observing a tadpole grow to an adult frog is a rewarding and educational experience for people of all ages. Children in particular enjoy watching a frog's metamorphosis, and growing tadpoles can be a great way to teach about the natural world and how amphibians fit into it. Many amphibian lovers, pe
How to Find Problems in a 24-Volt Electrical System
Twenty-four-volt electrical systems are powered by a transformer or battery. If the electrical equipment linked to your 24-volt electrical system isn't working, then you need to find the problem. The best way is to undertake a systematic test of the wring starting at the power source and ending at t
How to Dry Wild Flowers
Wild flowers are a delight to the senses. They lend color, interest and fragrance to any landscape in which they appear. When cut and placed indoors, wild flowers make pleasing decorative elements. Like all flowers, however, wild flowers have a relatively short life span, especially after they are c
How to Use an Ink Film Thickness Gauge
A film can be applied to many surfaces giving a finished look. However, the thickness of the film is important. Too thick, and it can detract and obscure the appearance of the item coated. Too thin, and the effectiveness of its protection is lessened, not to mention any detail it's meant to conceal.
How Does Calcium Hypochlorite React With Water?
Calcium hypochlorite is one of the primary disinfectants added to swimming pools and municipal water supplies. It is a strong oxidizer and can be dangerous if not stored and handled properly.
Lemon Battery Experiments
Lemons make great natural batteries because of their high acidity levels.lemon image by Henryk Olszewski from Fotolia.comLemon batteries, like all batteries, are portable power sources that convert chemical energy into electricity. More specifically, they are a variety of wet battery,...
How to Identify Hull Pottery Dinnerware
The A.E. Hull Pottery Company was founded in Crooksville, Ohio, in 1905 and continued production until 1986. While Hull is best known for its art pottery, the company also produced dinnerware. The Hull plant burned down in 1950, and when it reopened in 1952, the company refocused its production effo