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Do you miss that favorite dessert which your granny used to prepare for you and you are clueless of its recipe? I too am. What was her secret ingredient is still a mystery. I tried my hands many times but didn't get that taste ever.
Our granny didn't write it down, so an awesome taste was lost so were the mysterious ingredients. These kind of similar things happen with science too. Yes, there are some of the amazing technologies that we are unaware of.
Let's have a look on them.
In the 1700s, we started using concrete when cement 1st got popular. Romans used rocks, burnt lime and water to make their signature concrete. This is the only reason that Roman buildings have undergone 1000s of years of weathering. Romans kept their concrete technology a secret and it was lost during the Dark ages that plagued Europe after the Roman rule ended.
Iron Pillar of Delhi is a live example of anti-corrosion for over centuries. It is also an evidence that Indian metal workers were so smart that they crafted a metal that remained rust free from around last 1500 years. Iron Pillar also left the scientists in strange of making the metal.
When the digital cameras came into existence, polaroids became useless. When the companies closed down, they engraved its secrets. Now only existing polaroid cameras can give you instant pictures. Even polaroid films don't have same feelings as that of the original polaroid films.
Yes, it's corn. This corn wasn't the corn that we eat today. Biologists don't know the original corn crop that was used to breed the variety that we love today. This corn crop was bred for over 1000 years to get the corn we know today. Even its parent plant still remains a mystery.
It has been decades since the last Apollo mission to the moon. We haven't had a mission to the moon since 1972. The technology is not really lost. We have the schema which is basically useless as the technology has changed drastically.
Nowadays most of the ships made, use metal hulls and keels and that too are done by machines and in factories. A century ago, shipbuilders used to build ships entirely of wood and this technology of joining the keel and the hull has been lost since then.
In the 20th century, steam-powered cars were superior to the internal combustion varieties. Actually, the petrol cars couldn't break the speed records of these cars during that time. But in 1920s conventional cars became so popular that production of these cars stopped and faded away.
Damascus steel is known for its toughness, sharpness, and durability. It is known to cut the other swords in half. This deadly combination of making swords in the 17th century is lost in time.
The artifact is believed to be the 1st mechanical computer manufactured by man. This device was used to measure the planetary motion and to study astronomy. The device was recovered in a shipwreck off the coast of Antikythera in Greece. There is no such kind of devices have been recovered.
To create the wall shown above, all the stones were cut with tools that were not made up of metal, since Incans didn't have metal tools. These giant stones are the mystery of the transportation here. Even scientists are unable to explain how the Incans cut and fit the stones so perfectly that even a small coin can be put in between two stones in a wall.
This plant was famous in Roman countries and the Mediterranean because it had miraculous medicinal properties. This plant also had a contraceptive effect. The only problem with this plant was that it grew in a limited area in North Africa. As the plant was so popular, it drove to extinction due to over-harvesting. This plant was so miraculous that Romans even minted coins in deference.
During the Roman era, a craftsman brought a special glass bowl and presented it to Caeser. Caeser didn't impress with the bowl and threw it to the ground. What are you thinking now? Must the bowl have been broken? No. This bowl didn't.
Craftsman repaired it instantly. But then, what? Caeser decapitated him because this great material could have become more precious than gold.
There are no more than 600 violins left in the world today. Violins are known for producing the best sound. Sadly, the skilled brain to make the violins, died out with the Stradivari family and the finest violins of our time even cannot play parallel to their sound. This is why each Stradivari costs almost a million to buy.
Pyramids are not only a colossal structure but also the nitty gritty of them. They have an ultimate system of air conditioning the inner area, which is the reason the inside is not unbearably hot. The masonry pyramids are that skilled that they almost look machined and not chipped by a chisel and a hammer.
Baghdad batteries are a cluster of small cylinders that could produce up to a Volt of electricity per cylinder. But there were no electrical devices at the time when these batteries were made. Then why would they be made? And for what use they were made?
Scientists believe that they could be the 1st apparatus used to electroplate metals. Or else they could have been used by temple priests to jolt non-believing atheists.