7 Types of Ancient Technologies We Still Can Not Explain Today

These 7 types of ancient technologies are only few among the many still unexplained mysteries that follow our history throughout time.

The only thing that today’s brilliant minds can do is wait for newer generations (or maybe species) to possibly figure out these true ancient techniques.

Based on the level of enigma tied to these techniques, these are the 7 types of ancient technologies that are still unknown to men:

1. The Roman Concrete
This type of concrete managed to stand still even after 2,000 years when it was discovered by the Romans. The proof of its quality are the structures like the Colosseum and the Pantheon which still stand still with centuries in their original form.

They had a different formula, which resulted in a substance that was not as strong as the modern product.  Archaeologists and geologists are still studying its properties and up till now they are not able to solve the mystery of its longevity. – Read more on this

2.Viking Compasses
The remains of the supposed compass — known as the Uunartoq disc— were found in Greenland in 1948 in an 11th-century convent.

Though some researchers originally argued it was simply a decorative object, other researchers have suggested the disc was an important navigational tool that the Vikings would have used in their roughly 1,600-mile-long (2,500 kilometers) trek from Norway to Greenland. – Read More

Silphium (plant) was an important species in prehistory, as evidenced by the Egyptians and Knossos Minoans developing a specific glyph to represent the silphium plant.

It was used widely by most ancient Mediterranean cultures; the Romans considered it “worth its weight in denarii” (silver coins). Legend said that it was a gift from the god Apollo. – Read more on Wiki

4.Flexible Glass
Flexible glass is a legendary lost invention from the time of the reign of the Roman Emperor Tiberius Caesar (between 14–37 AD).

As recounted by Isidore of Seville, the craftsman who invented the technique brought a drinking bowl made of flexible glass before Caesar who tried to break it, whereupon the material dented, rather than shattering.

The inventor then repaired the bowl easily with a small hammer. After the inventor swore to the Emperor that he alone knew the technique of manufacture, Tiberius had the man beheaded, fearing such material could undermine the value of gold and silver. – Source by Wiki

5.Damascus Steel
Damascus steel was a type of steel used for manufacturing sword blades in the Near East made with wootz steel.

These swords are characterized by distinctive patterns of banding and mottling reminiscent of flowing water. Such blades were reputed to be tough, resistant to shattering and capable of being honed to a sharp, resilient edge.

The original method of producing Damascus steel is not known. Modern attempts to duplicate the metal have not been entirely successful due to differences in raw materials and manufacturing techniques.

Several individuals in modern times have claimed that they have rediscovered the methods by which the original Damascus steel was produced. – Source Wiki

6.Greek Fire
Greek fire was an incendiary weapon used by the Eastern Roman (Byzantine) Empire developed c. 672. The Byzantines typically used it in naval battles to great effect, as it could continue burning while floating on water.

It provided a technological advantage and was responsible for many key Byzantine military victories, most notably the salvation of Constantinople from two Arab sieges, thus securing the Empire’s survival.

The composition of Greek fire is unknown. It remains a matter of speculation and debate, with various proposals including combinations of pine resin, naphtha, quicklime, calcium phosphide, sulfur, or niter.

7.The Heat Ray of Archimedes

During the siege of Syracuse 212 BC, Archimedes produced heat-ray by using an finely polished bronze or copper shields in order to deflect the sun rays and set afire the incoming enemy ships.

Since that period, this technique was repeated for many times but to no avail. Even in our recent times the famous “Myth Busters” tried to replicate this technique but again with now success.

These were the 7 types of ancient technologies that still stay unexplained and busted by our modern science these days.

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