10 OLDEST Technologies That Scientists Can’t Explain


number ten Greek fire ancient scientists
have given countless inventions to humanity some inventions from ancient
times still remain a mystery though the Greek fire used by the Byzantine Empire
in the seventh century is one of the biggest secrets in science this was a
liquid substance thrown from ships it was impossible to extinguish with water
and it spread quickly this substance helped to defeat enemies
in many naval battles in fact it has served an inspiration for the famous
wildfire on the series Game of Thrones National Geographic got closer to making
this fire by the creation of a flamethrower built with a brass tube and
a mixture of oil and pine resin however there is a belief that the Greek fire
contained naphtha sulphur and ammonia among other substances the components of
the Greek fire were a well-kept secret nowadays historians and chemists
continue to look for the way to reproduce the formula of the Greek fire
that seems to have lost in time Damascus steel the Christian soldiers who fought
in the Crusades came across a type of weapon that had never been seen before
the swords carried by the Islamic military were constructed with the
Damascus steel the strength flexibility and wave-like patterns made them
completely unique it is a fact that they could cut a still prevail in the air and
they could slice a rock without damaging the blade sharpness these swords were
made of crucial steel meaning steel made with a different heating and cooling
techniques moreover they were made with a mixture of iron mineral wood leaves
and coal however the specifications for making these swords disappeared when the
last blacksmiths who made them died in the year 1700 competence universe
stay in Madrid Spain states that they have unveiled the secret to make these
swords in fact they have the patent to forge steel swords with a high content
of carbon nevertheless there are still debates by experts in metallurgy about
the real manufacturing of Damascus steel number 8 the Voynich manuscript Wilfrid
Voynich a Lithuanian antiquarian of Polish origin got a manuscript by an
anonymous author the content of this manuscript is still unknown Voynich
spent his life trying to find out the secrets of the document the book known
as the Voynich manuscript honoring voyages name has 246 pages and it is
written in an alphabet that nobody has been able to identify it is an
undecipherable language in 2009 carbon dating technique was performed on this
manuscript hence it found out that the manuscript
was from the 15th century this manuscript has hundreds of drawings that
allow dividing the content of it into sections such as botany biology and
astrology it also has miniatures of naked women and water or walking in the
water and they are interacting by means of tubes or capsules these miniatures
are very strange considering the age of the document it has become the most
researched puzzle that has to be solved number 7 the Antikythera mechanism this corded brass object that seems
useless is actually a 2,000 years old analog computer the Antikythera
mechanism was recovered from the bottom of the sea in 1901 near Antikythera
island greece it is divided into 82 pieces the device is a complex clock
mechanism system made up of many brass gears antiques experts have found out
that this system was used to calculate the moon phases and the lunisolar
calendar it could also forecast eclipses and be
used to plan the exact date of the Panhellenic games such as Olympic at
critical games moreover it was also used to show the planet movements known by
that time to study its mechanism a special tomograph built for the
investigation of this ancient object the similar technology was not developed
until the Scientific Revolution between the 16th and 17th centuries so it’s a
real mystery to know who made this device and how its creator got the
necessary knowledge to make a futuristic invention at that time number 6 Shang
hang seismograph present-day seismographs have nothing to do with the
first earthquake detector in history Zhang hang a Chinese scientist and an
astronomer from the East Han Dynasty this seismoscope in the year
132 ad it is a copper vessel with dragon heads aiming at the cardinal points
beneath the dragon heads there are various toads with open mouths
when there was an earthquake a bronze bar fell into one of the toads mouth
indicating where the earthquake had taken place and this device is able to
detect earthquakes occurring 600 kilometers away some theorists believe
that it is a system based on a free swinging pendulum driven by inertia
however the operation of this device is one of the biggest mysteries in history
the original seismograph does not exist anymore and most of its replications are
used just for decoration there is a functional replica of this
device in the History Museum in Beijing number five Ulfberht Sword, many tombs
from the Viking Age have been discovered all over the north of Europe
archaeologists have found inside the tombs a total of 171 Ulfberht Sword, these swords were made with techniques that were very advanced for
that age they got their name from the inscription plus Ulfberht on their
blades the meaning of this word is still unknown these swords are made of 99.9%
pure metal which was free from slag also having an almost perfect carbon balance
according to experts the technology to make these swords was superior at that
time this technology did not appear but 800 years later in other regions it is
similar to the one used for making Damascus steel in 2014 a 9th century
tomb was found in Scandinavia this tomb had an Islamic inscription this finding
makes scientists think that there may be a link between Viking swords and the
weapons used centuries later by the Arabian militaries in the Crusades
however no evidence has validated this coincidence number forms the iron pillar
of Delhi time is a deadly enemy of ancient
monuments that causes maximum damage that’s why this iron pillar weighing 6
tons and 7.21 meters high which is not rusted during more than 1600 years it is
still an engineering mystery located in Delhi India the only clue about its
origin is the inscriptions on the metal they can be perfectly seen after
centuries of exposure to the natural environment many scientists think that
the mild weather in the area does not affect this big iron mass others suggest
that phosphorus is a component of the pillar and there is no sulphide and
manganese in its structure which could contribute to the good condition of the
monument however all scientists agree that this big iron monument is a living
testimony of the wisdom of India’s former inhabitants number three, The Phaistos Disc, Luigi Pernier, an Italian archaeologists discovered the fastest
disc on the Greek island of Crete in 1908 this disc also known as the rosetta
stone of the Minoan civilization and made from baked clay is 15 centimetres
in diameter and dates back to the late Minoan Bronze Age it is engraved on both
sides with a spiral of 242 symbols the real meanings of these symbols are still
unknown there are some theories about the symbols they seem to be printed with
a kind of seal this fact makes historians think that this is probably
one of the oldest printed documents in existence or this object might have been
used as a seal itself and may be considered the first printing attempt it
is also believed that this disc was a musical score or even an asset inventory
a calendar or a game a true thing is that present time experts consider it a
jigsaw puzzle number two Roman dodecahedron despite
the fact Roman civilization has been studied for centuries still it is full
of mysteries one of those mysteries is the Roman dodecahedron it dates back 200
years ad it is a hollow object with 12 sides made up of brass or stone each
side has a pentagonal shape and a hole in the center hundreds of these devices
have been found from Wales too hungry especially in Germany France and Italy
its size varies between 4 centimeters to 11 centimeters however no document has
information about its existence or purpose this is weird considering that
Roman civilization kept the records of almost everything there is a belief that
these dodecahedron were used as candle holders dice gauges for water pipes or
simply as a solid foundation to support the Roman eagle symbol it is also
possible to think that these objects were used for religious purposes or
fortune-telling there is no doubt that this is a multi-purpose mysterious
object number one giant stone spheres more than 500 pre-columbian stone
spheres were discovered in the Sierpe district, in the south of Costa Rica in
1939 the size of the stones ranges from 30 to 257 and they weigh between two
kilos and 16 tonnes it was concluded that Costa Rica’s indigenous people used
advanced cutting and polishing techniques to transform blocks gia rites
and igneous rock into spheres of the perfect finish moreover it is believed
that a superior method to transport these spheres was also used experts
state that these spheres are a mystery not because of their construction but
because of what they represent nobody has figured it out yet many of these
stones have been moved or exploited by treasure hunters this situation has
become an obstacle for investigation some of these stones were placed near
human and animal statues few data suggests that this group of rocks my
been used as an astronomical calendar but the only truth is that there are not
spheres like these in any other place on this planet

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