The Nature of Silver

Silver has been mined since the beginning of time. Silver mines in what is now Turkey had large scale silver mining operations as long ago as 2500BC. Silver was used in the production of plates, coins and jewelry in both the ancient Minoan and Mycenaean civilizations. Greek and later Spanish silver mines provided more than 1000 onzes of silver per year to fuel the world ‘s uses of silver for the first 1000 years after the birth of Christ. After the discovery of the New World in 1492, silver production grew as the world’s appetite and uses for silver grew. By 1800 more than 1.5 million troy onzes were taken from mines in Mexico with additional amounts being mined in both Peru and Bolivia. In addition through out the 19th and 20th century significant amounts of silver were discovered and mined in both the United States and Canada.

Of the three precious metals platinum, gold and silver, silver is easily the most abundant. With mines producing more than 20 tons of silver a year, it is used in the fabrication and manufacture of everything from coins and jewelry to photography and medicine. Because it is an excellent conductor of electricity, it also has numerous uses in the electronics, nuclear and auto industry. Silver’s overall use in the jewelry industry continues to grow as fashion trends continue to favor a white metal over yellow and as the other two precious metals, platinum and gold, become more expensive.

Silver is truly a white metal and with the advances in tarnish resistant silver alloy, it is easy to maintain. Because it is less expensive and lighter in weight than is either platinum or gold, jewelry fashioned in silver can be made more substantial and durable. Relative to gold it has a lower melting temperature and thus can be combined with yellow gold to create “two tone” or multicolored jewelry. The silver used in jewelry is traditionally a mixture of pure silver or fine silver and copper with silver being 92.5% of the mixture and copper the remaining 7.5%. This combination is called sterling silver.

Sterling silver has come a long way in the manufacture of jewelry. Today, in addition to using only sterling silver in the creation of jewelry, it is also combined with diamonds, many different types of precious (ruby, emerald, sapphire) and semi precious stones to create a line of high fashion jewelry. Silver is featured prominently in the designs of many of the world’s finest designers and its use in high end designer jewelry continues to grow as fine jewelry stores like Tiffany and Cartier expand their use of the metal. Jewelry made from sterling silver is both durable and affordable and can be an attractive alternative to almost any piece of jewelry made from gold or platinum.

The Science Behind The Martial Arts

It has always been mans curiosity to explore the functions and structure of his own body. While the English words anatomy and physiology have their origin in the Greek language ,where the study of these sciences began in the 4th century BCE, work in both anatomy and physiology began in Egypt as long ago as 1600BCE. China and India have similiar traditions that date back to 2000BCE. Japan’s introduction into these sciences came from China in the 7th century. All of these countries have a long history of both armed and unarmed combat and their knowledge of both anatomy and physiology influenced they way they fought and the fighting techniques that they developed.

While every technique may have hundreds of variations, the laws of science and the human body limit the ways these techniques can be applied without injury. This knowledge of both anatomy and physiology, the understanding of how the body could and could not move, how joints function, the nature and placement of the major and minor organs and the strengths and weaknesses of the different muscle groups in the body all contributed to the development of more effective and lethal ways of both armed and unarmed combat.

In Japan, with the development of Sumo, this understanding of how the body works and moves, led to the creation of techniques that attacked specific parts of the body. Without an understanding of how joints function, both kansetsuwaza and Kote gaeshi become useless and ineffective. There would be no effective sword technique without an understanding of how the major muscles groups in the legs, hips and shoulders contribute to the coordinated movement of the body and without this understanding there is no understanding of balance and throwing technique.

Conversely, the greater your understanding of these sciences and their application to the martial arts, the easier it is to defend from any attack. Knowing the most effective way of applying a technique makes it more difficult to have that technique applied to you. The mechanics of the martial arts, what position to be in, where your body is in relation to that of your attacker, at what angle the technique should be applied and how to protect yourself from a second attack are all questions which relate back to an understanding of anatomy and physiology. Movement and the application or defense of a technique, are only effective when applied to a specific part of the body to elicit a specific result. The same is true for effective blocking techniques and the application of atemi. As the same technique or attack will vary depending on the height, weight, age, strength, sex and the experience of the attacker, so should the response. Subtle changes in movement and style of an attack, based on these variables, require subtle changes in the center of gravity,balance (kuzushi), position (tae sabaki), distance(maai), and angle of the response.

In truth, all martial arts systems are built around the strengths and weaknesses of the human anatomy and physiology. They are built around one individual’s ability to manipulate and capitalize on the weaknesses and errors of another individual. It is these sciences that form the basis for the study of human motion ,an understanding of which is essential for all students of the martial arts.