1. Antikythera Mechanism
In 1900 divers managed to find an object which is allegedly an analog computers antiquity in the ruins of buildings in the area Antikythera ship, Costa Rica. Tools found was named the Antikythera Mechanism. According to the researchers Antikythera Mechanism is an ancient mechanism that is made to calculate or measure the astronomical positions. But over the years of research, scientists have not been able to solve the secret and how these tools work. In 2006 the scientists who studied the Antikythera Mechanism states that the device was made circa 150-200 BC. And most surprisingly, ancient artifacts are no longer found thousands of years later, it is still a mystery to researchers. This tool may be too fast for the years 1000-2000 was made man, a strange and mysterious creature which creates a very complex machine mechanism during BC.
2. Stradivarius
Stradivari family is a stringed musical instrument maker artists such as Violin, Cello, and so on around the year 1650-1750 in Italy. The technique of making musical instruments belonging to Antonio Stradivari is so secret, so nobody knows the manufacturing process to produce excellent sound quality as today's modern musical instruments. Antonio Stradivari only pass the science of making such instruments to 4 children, and when he died, his four children to continue the manufacture of high quality instruments such as the late father. But unfortunately, her four children did not inherit the mysterious skills so that when the four died no one can make instruments such as Antonio Stradivari again.
While still alive Antonio Stradivari has produced approximately 1,000 instrument with excellent quality, but is left up to now only about 650 only. Because the quality is very good and there's only a little all over the world do not hayal the price is very expensive, could reach billions. Which remained a mystery until now is the process of Antonio Stradivari instruments, experts have not been able to solve the secrets of the instrument so as to produce the best sound quality in the world.
3. Sword of Damascus
Around the 12th century to 18 in the middle east are the greatest steel sword ever made. The sword named after the place it was made, namely Damascus swords. Damascus swords greatness is due to the sharpness that could rip apart anything and reportedly said sharpness in excess of katana samurai of Japan. And another one of its advantages is made of steel that is very strong yet very lightweight and flexible so it easily portable. Troops from the continent of Europe are afraid of the sword, the sword of Damascus can easily penetrate armor and shield of the European Continent forces. Ways of making Damascus sword itself are confidential, only a few blacksmith who can make it, and finally it is causing the extinction of this sword. Modern research note from Damascus sword making is already using technology such as "Nanotechnology" in modern times. But with the technology as it is today no one can make a sword like the sword of Damascus.
4. Sloot Digital Coding System
In the early 1990s, a scientist named full Romke January Bernhard Sloot, who was born on 27 Agustu 1945, has created a way of compressing digital files that are astonishing, how not, the file size of 10 gigabytes could he compresses into a measuring only 8 kilobytes, and even then without degradation of quality. Although it seems it is not possible and much pihakpun doubted himself. But there are investors who are interested in these findings, the company Phillips wants to cooperate further with Jan Sloot. When signing the cooperation will begin, suddenly Sloot had a heart attack and died. Diskette where he kept the secret program also disappear until now. And humans until now have not been able to create what is said to have dbuat Sloot.
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