A brief history of online dating

01-Nov-2015 19:05 by 7 Comments

A brief history of online dating - epiphone sheraton serial number dating

The evolution of prosthetics is a long and storied history, from its primitive beginnings to its sophisticated present, to the exciting visions of the future.As in the development of any other field, some ideas and inventions have worked and been expanded upon, such as the fixed-position foot, while others have fallen by the wayside or become obsolete, such as the use of iron in a prosthesis. There have been many refinements to the first peg legs and hand hooks that have led to the highly individualized fitting and casting of today’s devices.

The Egyptians were the early pioneers of prosthetic technology. It was made of bronze and iron, with a wooden core, apparently for a below-knee amputee. C., Herodotus wrote of a Persian seer who was condemned to death but escaped by amputating his own foot and making a wooden filler to walk 30 miles to the next town. D.) wrote of a Roman general in the Second Punic War (218-210 B. He had an iron hand fashioned to hold his shield and was able to return to battle.

Their rudimentary, prosthetic limbs were made of fiber and it is believed that they were worn more for a sense of “wholeness” than function. The Dark Ages saw little advancement in prosthetics other than the hand hook and peg leg.

However, scientists recently discovered what is said to be the world’s first prosthetic toe from an Egyptian mummy and it appears to have been functional. Most prostheses of the time were made to hide deformities or injuries sustained in battle.

A knight would be fitted with a prosthesis that was designed only to hold a shield or for a leg to appear in the stirrups, with little attention to functionality.

Outside of battle, only the wealthy were lucky enough to be fitted with a peg leg or hand hook for daily function.

Prostheses during this period were generally made of iron, steel, copper and wood.

In 1508, German mercenary Gotz von Berlichingen had a pair of technologically advanced iron hands made after he lost his right arm in the Battle of Landshut.

The hands could be manipulated by setting them with the natural hand and moved by relaxing a series of releases and springs while being suspended with leather straps.

It was common for tradesmen, including armorers, to design and create artificial limbs.

People of all trades often contributed to making the devices; watchmakers were particularly instrumental in adding intricate internal functions with springs and gears.

The Renaissance ushered in new perspectives of art, philosophy, science and medicine.

By returning to the medical discoveries of the Greeks and Romans concerning prosthetics, the Renaissance proved to be a rebirth in the history of prosthetics.