The Earthquake Detector Invented 2,000 Years Ago Really Worked – Zhang Heng

The Ancient Earthquake detector almost 2000 years ago :

Seismometer — The ancient earthquake detector device so far away that no one nearby even felt them. It was a vase-shaped device with several bronze dragon heads, each with a bronze ball in its mouth; around the foot were several bronze toads with open mouths. If the machine Earthquake Detector, the bronze balls were released and fell into the mouths of the toads, causing a noise as an alarm. The direction from which the tremor came was indicated by the ball that had fallen.

Earthquake Detector 132 AD :

The device built by Zhang Heng in the year 132 was capable of detecting tremors that had taken place more than 600 km away. Zhang’s seismoscope detected earthquakes and in which direction they occurred, but did not measure them the way seismographs do — which were not developed until seismology was ‘reinvented’ in the West nearly 2000 years later.

The Earthquake Detector Invented 2,000 Years Ago Really Worked

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138 AD Earthquake Detected :

In 138 announcement, the sound of the citation ball dropping caused a stir among all the Homeric officers in the palace. No one believed that the invention actually worked. According to the direction in which the dragon that dropped the ball was acquainted, it was determined that the earthquake had passed to the west of Luoyang, the capital megacity.

Since no one had tasted anything in Luoyang proper, people were sceptical. still, a many days latterly, a runner from the western Long region( moment, southwest Gansu fiefdom), which was west of Luoyang, reported that there had been an earthquake there. As it happed exactly the same time that the seismometer was touched off, people were greatly impressed by Zhang Heng’s instrument.

In 2005, scientists in Zengzhou , China( which was also Zhang’s birthplace) managed to replicate Zhang’s seismoscope and used it to descry simulated earthquakes grounded on swells from four different real- life earthquakes in China and Vietnam. The seismoscope detected all of them. As a matter of fact, the data gathered from the tests corresponded directly with that gathered by ultramodern- day seismometers!

From an advanced ultramodern wisdom and technology point of view, the seismometer Zhang Heng constructed is still considered astonishingly meliorated and remarkable and way ahead of its time.

The Earthquake Detector Invented 2,000 Years Ago Really Worked

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