Roman heating worked like this: hot gases were vented into cavities in the walls and floor, heating the dwelling, only then leaving through a chimney out of the house. But this system consisted of fireclay bricks, found by archaeologists.
The problem is that fireclay bricks are fired at temperatures of 1.300-1.500 ° C in rotary kilns.
No idea, how could an ancient Roman get it, if firewood produces a maximum of 900°C, and coal - 1,200°C? Not enough temperature! And it became possible to get this kind of temperature closer to the 15th century. The Romans just didn't know they didn't have the right technology. Or the dating is wrong by a thousand and a half years.
The problem is that fireclay bricks are fired at temperatures of 1.300-1.500 ° C in rotary kilns.
No idea, how could an ancient Roman get it, if firewood produces a maximum of 900°C, and coal - 1,200°C? Not enough temperature! And it became possible to get this kind of temperature closer to the 15th century. The Romans just didn't know they didn't have the right technology. Or the dating is wrong by a thousand and a half years.
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With millions of tons of hand-carved stone, the Egyptians had to make mistakes sooner or later. But the stelae, sarcophagi and blocks are perfectly chiseled, the angles are accurate to 1 degree, and the grinding has been preserved for thousands of years. But some of the blocks have marks on them that look like a bolt cutter. Scientists try to ignore them or give dubious versions about copper and abrasive📜
How did the chisel have to slip off to draw long, even lines?
How did the chisel have to slip off to draw long, even lines?
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If you think that the Trinity is an exclusively orthodox object of veneration, you are deeply mistaken❕
"The Buddhist triad" is an ancient image of the Buddha himself, the Buddha of the future, and the Bodhisattva of Light. Such images and triads of deities are far from uncommon in various religions. And the newly born Christianity has only combined the most successful ideas of the past.
"The Buddhist triad" is an ancient image of the Buddha himself, the Buddha of the future, and the Bodhisattva of Light. Such images and triads of deities are far from uncommon in various religions. And the newly born Christianity has only combined the most successful ideas of the past.
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Dwarves, fairies, and subterranean dwarfs really existed before the 18th century🤔
The Skara Brae settlement was dug up in Scotland after a hurricane in the 1920s. The settlement was founded before 3100 B.C. and had existed for about 600 years. The stone walls, beds, ceilings and doorways were designed for occupants up to one meter tall.
In size, the people copied Egyptian, Italian and Slavic dwarfs, and in Britain itself gnomes, elves, fairies and leprechauns make up a huge part of the cultural heritage. More recently, the archaeological part as well📜
The Skara Brae settlement was dug up in Scotland after a hurricane in the 1920s. The settlement was founded before 3100 B.C. and had existed for about 600 years. The stone walls, beds, ceilings and doorways were designed for occupants up to one meter tall.
In size, the people copied Egyptian, Italian and Slavic dwarfs, and in Britain itself gnomes, elves, fairies and leprechauns make up a huge part of the cultural heritage. More recently, the archaeological part as well📜
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Giovanni Battista Fiorini's 1563 fresco depicts giants and men. If historians call the drawings of giants "the gods and nobles painted this way," does that mean there was one slave for the whole city? Or is this a city of gods?
In any case, these giants look harmonious against the background of ancient architecture, but the little man in height looks more like a modern man🤔
In any case, these giants look harmonious against the background of ancient architecture, but the little man in height looks more like a modern man🤔
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Three ingredients are needed to make gunpowder: saltpeter, sulfur and coal. There has always been coal in China. Until the 18th century, native sulphur was only available at the mouth of the volcano Etna, in Sicily. The nearest deposit of saltpeter was on the island of Ceylon. In the Mendeleev Table, only saltpeter and sulphur may be components of black powder, while all other explosives are explosive, which would blow any cannon to pieces.
How could China invent gunpowder with only 1 of 3 components?
How could China invent gunpowder with only 1 of 3 components?
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Ancient people had the technology to make flexible and unbreakable glass
References to such glass can be found in Pliny the Younger, Petronius and Dion Cassius. They tell of an alchemist who surprised the Emperor Tiberius.
Tiberius demanded to know the secret of creating flexible glass and ordered the alchemist to be executed. The emperor feared that such glass would affect the value of gold and silver.
A similar glass and plastic analog was recreated by our contemporaries thousands of years later.
References to such glass can be found in Pliny the Younger, Petronius and Dion Cassius. They tell of an alchemist who surprised the Emperor Tiberius.
Tiberius demanded to know the secret of creating flexible glass and ordered the alchemist to be executed. The emperor feared that such glass would affect the value of gold and silver.
A similar glass and plastic analog was recreated by our contemporaries thousands of years later.
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1912. Bailey Electric with an Edison battery during a thousand-mile test run📜
Everyone knows that the combustion engine has a very low efficiency of about 23%. An electric motor has 90-95% efficiency. And knowing this, engineers and scientists continued to improve gasoline engines. As a result, the future is in electric motors🤔
The technology has been known for a long time. But progress had to be stalled in the name of super profits from oil.
Everyone knows that the combustion engine has a very low efficiency of about 23%. An electric motor has 90-95% efficiency. And knowing this, engineers and scientists continued to improve gasoline engines. As a result, the future is in electric motors🤔
The technology has been known for a long time. But progress had to be stalled in the name of super profits from oil.
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About lost technology: in 1920, engineer Royal Rife created the world's first ultraviolet microscope with a 50,000x magnification that allowed a live virus to be seen. Fifteen years later, Rife created a frequency generator - by resonating with the frequency of the virus, the radiation struck the pathogenic microflora without injuring the surrounding tissue.
Fourteen fully documented cases of complete healing of cancer patients and the "American Medical Association" achieved the cessation of research in this area, the use of his generator in the United States was banned.
Experiments with the frequency generator were repeated by our contemporaries, confirmed the simplicity and effectiveness of the method to combat viruses and pathogens, but for some reason official medicine again refused to recognize the development.
The post is not about medicine, but about technology, which science does not allow to people🤔
Fourteen fully documented cases of complete healing of cancer patients and the "American Medical Association" achieved the cessation of research in this area, the use of his generator in the United States was banned.
Experiments with the frequency generator were repeated by our contemporaries, confirmed the simplicity and effectiveness of the method to combat viruses and pathogens, but for some reason official medicine again refused to recognize the development.
The post is not about medicine, but about technology, which science does not allow to people🤔
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Do you think that artificial 3D-printed human organs are something🫀 unbelievable?
Still can't believe an air cab already exists?🚖
Can't imagine a baby stroller with autopilot? 👶
Scientific progress is constantly moving forward🔬. There are already a lot of new inventions that make life a lot easier for the average person⌚️.
So, sign up for the World of Technology🌍 and be the first to know about the latest technological advances.
Still can't believe an air cab already exists?🚖
Can't imagine a baby stroller with autopilot? 👶
Scientific progress is constantly moving forward🔬. There are already a lot of new inventions that make life a lot easier for the average person⌚️.
So, sign up for the World of Technology🌍 and be the first to know about the latest technological advances.
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The Barabar cave system in India. 200 to 300 B.C.
The caves are carved in gneiss, as hard as granite. Vaults, floors, and ceilings are polished to a shine. The acoustics and ventilation of the caves are ideal. There are reservoirs for water and hermetic closing of the doorways. There is a version that the caves were used in ancient times as a bomb shelter. The vaults are capable of withstanding a nuclear strike. Ancient skeletons with high levels of radiation are often found in the vicinity.
The caves are carved in gneiss, as hard as granite. Vaults, floors, and ceilings are polished to a shine. The acoustics and ventilation of the caves are ideal. There are reservoirs for water and hermetic closing of the doorways. There is a version that the caves were used in ancient times as a bomb shelter. The vaults are capable of withstanding a nuclear strike. Ancient skeletons with high levels of radiation are often found in the vicinity.
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The excavation of Rome in 1929 is astounding in its depth and the amount of soil applied. I wonder after what the meters of earth appeared and why it was not dug up earlier? After all, apart from the pyramids-viaducts-temples, people's houses, all belongings and money with documents were to be under the ground.
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Mean to surprise your friends with your knowledge of space?
On the Astronaut’s notes channel, I talk about complex phenomena in an easy and exciting way.
🌍How long does it take before the Earth will disappear?
👩🚀What are the dangers of solar flares?
❗️What may happen if you jump off the ISS?
Read these and other facts in my telegram channel Astronaut’s notes.
On the Astronaut’s notes channel, I talk about complex phenomena in an easy and exciting way.
🌍How long does it take before the Earth will disappear?
👩🚀What are the dangers of solar flares?
❗️What may happen if you jump off the ISS?
Read these and other facts in my telegram channel Astronaut’s notes.
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An unusual mask was found in Florida. Specialists determined it to be 12,000 years old, marveled at the technological process of the work, and discovered that it depicts an Inca deity
But how the ancient Incas created the mask of iridium - have not figured out. There is very little iridium in the bowels of the earth - just an admixture of other metals. Its main stock is found in fallen meteorites. Discovering it in 1803, scientists described the metal as "hard, refractory, with high corrosion resistance. Let's assume that the Incas were lucky enough to get a meteorite and they could make a mask out of the capricious iridium. It remains to be clarified - how did the ancients extract iridium from the meteorite?📜
But how the ancient Incas created the mask of iridium - have not figured out. There is very little iridium in the bowels of the earth - just an admixture of other metals. Its main stock is found in fallen meteorites. Discovering it in 1803, scientists described the metal as "hard, refractory, with high corrosion resistance. Let's assume that the Incas were lucky enough to get a meteorite and they could make a mask out of the capricious iridium. It remains to be clarified - how did the ancients extract iridium from the meteorite?📜
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Did the Spanish really bring civilization to the Incas?🤔
In D. Hemming's book, The Conquest of the Inca Empire, there is no room for stories about primitive Incas and educated, Spaniards. His research tells a different story:
"All the streets are paved, with a stone-lined water canal running through the middle of each. These rivers were an added touch to the clean and simple appearance of the Inca city. Their mountain waters flowed through canals in the middle of the streets and provided excellent sanitation. This impressed the first Spaniards who visited the city, and also the fact that both streams flowed in man-made channels with paved walls and bottoms.
Fifteen years after Pizarro entered Cuzco, Pedro Cieza de León wrote: "At present there are large piles of garbage along the banks of the river. The river itself is full of garbage and mud. In Inca times the river was very clean and the water ran on the rocks.
In D. Hemming's book, The Conquest of the Inca Empire, there is no room for stories about primitive Incas and educated, Spaniards. His research tells a different story:
"All the streets are paved, with a stone-lined water canal running through the middle of each. These rivers were an added touch to the clean and simple appearance of the Inca city. Their mountain waters flowed through canals in the middle of the streets and provided excellent sanitation. This impressed the first Spaniards who visited the city, and also the fact that both streams flowed in man-made channels with paved walls and bottoms.
Fifteen years after Pizarro entered Cuzco, Pedro Cieza de León wrote: "At present there are large piles of garbage along the banks of the river. The river itself is full of garbage and mud. In Inca times the river was very clean and the water ran on the rocks.
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"The Bathtub of Nesaualcoyotl" is a perfectly round-shaped pool carved in hard porphyry rock, located in the eastern part of the Mexican Valley.
The visible long, flat, sloping grooves on the walls of the basin are reminiscent of a drill. Similar fissures, like the one that goes over the edge of the basin, appear when there is excessive rotational loading.
Not that the Aztec technology is questionable, but it is difficult to imagine a drill or rig capable of making a hole 1.5 meters in diameter in the rock.
The visible long, flat, sloping grooves on the walls of the basin are reminiscent of a drill. Similar fissures, like the one that goes over the edge of the basin, appear when there is excessive rotational loading.
Not that the Aztec technology is questionable, but it is difficult to imagine a drill or rig capable of making a hole 1.5 meters in diameter in the rock.
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Chronicles testify to global catastrophes of the past🤔
The Jesuit missionary Martinius wrote the book "History of China" in the 17th century according to the ancient chronicles.
In it he writes of the shift in the axis of the earth: "The pillar of heaven collapsed. The earth was shaken to its very foundations. The sky began to fall to the north. The sun, moon, and stars changed the path of their motion. The whole system of the universe came into disarray. The sun was in an eclipse, and the planets changed their paths."
The Jesuit missionary Martinius wrote the book "History of China" in the 17th century according to the ancient chronicles.
In it he writes of the shift in the axis of the earth: "The pillar of heaven collapsed. The earth was shaken to its very foundations. The sky began to fall to the north. The sun, moon, and stars changed the path of their motion. The whole system of the universe came into disarray. The sun was in an eclipse, and the planets changed their paths."
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