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Across history, ancient civilizations crafted prototypes for many of the modern mechanisms that have become integral to contemporary life. From the compass’s early forms that transformed navigation to the predecessors of today’s vending machines, these ancient artifacts offer insights into the roots of modern technology.
Although some of these ancient mechanisms were lost over time, their hidden potential was eventually revealed by subsequent generations, shedding light on the remarkable foresight of the ancient inventors.
Baghdad Battery
found near Baghdad,considered galvanic cell that was created 2,000 years before A.Volta was born.The "battery"was a 13-centimeter vessel.Its neck was filled with bitumen an iron rod passed through it.Inside the vessel was a copper cylinder with an iron rod in it pic.twitter.com/zpPi36yxs7
— Truthseeker (@Xx17965797N) November 1, 2022
An ancient artifact, which became known as the Baghdad Battery, has fascinated the minds of scientists for the last century. According to chemist Dr. Von Handorf, this find allows to believe that “an ancient tinkerer could have invented an electroplating process.”
Discovered in 1938 by a German archaeologist Wilhelm Konig, the Baghdad Battery is potentially around 2,000 years old. It comprises a clay jar, a copper cylinder, and an iron rod. When filled with a mild acid, such as vinegar, this assembly generates approximately 1-2 volt of electricity.
Attention to the mechanism arose with new force after the Second World War. American scientist Willard Gray conducted experiments in the post-war period, making copies and demonstrating that the device could generate two volts of electricity when filled with electrolyte. German researchers in the 1970s replicated this setup and successfully used it to electroplate a thin layer of silver, proving its potential as a battery.
Several theories have been proposed regarding the purpose of the Baghdad Battery. One hypothesis suggests that its primary use was for therapeutic purposes, drawing inspiration from the ancient Greek practice of using electricity to relieve pain. Another theory suggests that the batteries could have been hidden inside religious statues or idols. Dr. Paul T Craddock suggested that those who touched the statues would “experience a little shock with a small, mysterious flash of blue light.”
However, this mystery is likely destined to remain unsolved, since the artifact was stolen from the National Museum of Iraq in 2003.
This 1600-year-old cup has a feature that proves that the ancient Romans were pioneers of nanotechnology. The perfectly preserved artifact amazed minds with its ability to change color depending on position and lighting.
Since the 1950s, the Lycurgus Cup has been in the British Museum. It received its name because of the masterfully depicted king of Thrace, Lycurgus. According to ancient Greek legends, he was at enmity with the god of wine Dionysus and is depicted on a cup entangled in a trap of grapevines.
When lit from the front, the cup appears jade green, but changes color to a rich blood red when lit from behind. This unusual and extremely modern property for that era has amazed scientists for decades.
Subsequently, scientists still managed to solve the mystery of the ancient mechanism behind the cup. They examined the glass under a microscope and discovered that Roman artisans had impregnated it with particles of silver and gold. These grains were so small that their size was less than one thousandth of a grain of table salt. Researcher Ian Freestone from University College London called the painstaking work of the ancient craftsmen “an amazing feat.”
The operation of the color changing mechanism has also found its explanation. When hit by light, the electrons belonging to the metal particles vibrate in such a way that they change color depending on the position of the observer. Gan Logan Liu, a professor at the University of Illinois at Urbana-Champaign, said that when the cup was filled with liquid, it changed the way the vibrating electrons in the glass interacted. He underlined that the romans “knew how to make and use nanoparticles for beautiful art.” Consequently, the color of the cup also changes.
This ancient technology is reflected in the modern world. Thus, home pregnancy tests use nanoparticles that turns the white line into pink.
The prototype of a navigational instrument, this Chinese south-pointing chariot became an ancient analogue of the compass. The history of this ancient mechanism dates back to approximately 5th century BC.
The chariot was described as a horse-drawn cart indicating the southern direction. It featured a figure that consistently pointed south, irrespective of the cart’s orientation. Employing differential gears, the mechanism comprised four wooden gears and additional gearing connecting the differential to the wheels. As the wheels turned, the gears rotated the figure to maintain its southern alignment. Notably, the chariot necessitated manual adjustment at the start of every journey, unlike a compass, which aligns automatically.
Chinese scientists rapidly developed their technologies and learned to magnetize iron needles back in the 7th–8th centuries AD. However, for several more centuries they did not use magnetic compasses and continued to produce chariots. It is believed that they went out of use only around the year 1300.
Vending machines are older than you might think.
The first such machine was designed and produced by Heron of Alexandria in the 1st century BC.
It dispensed holy water in exchange for coins. pic.twitter.com/t4O8GqFIx8
— Inquisitive (@curious_va) March 1, 2023
Vending machines, which have become a common attribute of modern life, owe their appearance to the ancient Greek scientist Heron. One of the best ancient mathematicians and inventors, he lived and worked in Alexandria. Heron developed many remarkable ancient mechanisms, and even the first steam engine of its kind.
His vending machine was a very modern mechanism for dispensing holy water. To use it, a person had to insert a coin into a special slot. Then it fell onto a tray connected to a lever. The weight of the coin opened the valve, from which water flowed out for the liars. Eventually, a coin would then slide off the tray, causing the lever to return to its place.
Alexandria was home to another brilliant ancient inventor, Ptolemy, who invented a mechanism that could measured time.
This ancient instrument for timekeeping and celestial observation included the planispheric type, allowing astronomers to compute the positions of the Sun and stars relative to the horizon and meridian.
Originating in the 6th century, astrolabes gained prominence in the early Middle Ages across Europe and the Islamic world. It become crucial for maritime navigation by the mid-15th century before the emergence of sextants. Ranging from 3 to 18 inches, the typical planispheric astrolabe was predominantly crafted from brass or iron. It featured the base plate with celestial coordinates, the open-pattern disk illustrating stellar maps, and the alidade used for celestial sightings.
The astrolabe’s intricate construction and widespread usage underscored its significance as a multifunctional scientific tool in the medieval period. Its application extended beyond astronomy, finding utility in fields such as geography, timekeeping, and surveying.
Ancient Greek scientist Erasistratus (300-250 B.C.) is credited with being among the first human lie detectors. He devised a specific technique to read a person’s physical response so as to spot when an individual was lying.
While in Alexandria, Egypt, he is said to have proven Prince Antiochus was desperately in love with his father’s new wife, Stratonice. He noted how his pulse increased significantly whenever the queen’s name was mentioned, despite his insistence that he did not have the hots for his stepmother.
Love-struck, he fell ill with passion and chose to pine away in silence. The physicians were unable to discover the cause and nature of his disease.
Erasistratus himself was at a loss at first, until, finding nothing amiss about his body, he began to suspect that it must be the man’s mind that was diseased and that he might perhaps be in love.
Erasistratus confirmed his conjecture when he observed that the skin of Antiochus grew hotter, his color deeper, and his pulse quicker whenever Stratonice came near him, while none of these symptoms occurred on any other occasion.
The Greek physician eventually told the father, King Seleucus, that his son’s disease was incurable, for he was in love with the monarch’s wife and that he chose to die rather than to disclose his secret.
According to the anecdote, Seleucus not only gave up Stratonice, but also resigned to his son several provinces of his empire.
Erasistratus, along with fellow physician Herophilus, founded a school of anatomy in Alexandria where they carried out anatomical research.
He is credited for his description of the valves of the heart. He also concluded that the heart was not the center of sensations. Instead, he said, it functioned as a pump. He was among the first to distinguish between veins and arteries, believing that arteries were full of air and carried the “animal spirit” (pneuma).
Together with Herophilus, he is credited by historians as the potential founder of neuroscience due to his acknowledgment of nerves and their roles in motor control through the brain and skeletal muscles.
Furthermore, Erasistratus is seen as one of the first physicians/scientists to conduct recorded dissections and potential vivisections alongside Herophilus.
The two physicians were said by several Roman authors, notably, Augustine, Celsus, and Tertullian, to have performed controversial vivisections on criminals to study the anatomy and possible physiology of human organs while they were in Alexandria.
Related: Ancient Library of Alexandria One of Greatest Treasures of Mankind
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