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Almost 7 years ago, Juhoon appeared in Zion T feat. Seulgi "Hello tutorial" MV alongside Ella from MEOVV! #CORTIS #코르티스 #JUHOON #주훈

353,978 просмотров • 11 месяцев назад •via X (Twitter)

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Strange Tests – Firing at a T-64B Tank from "Hyacinth" Almost Point-Blank.Comendante wondered, "Will the Ukrainian T-64 tank withstand a point-blank shot from the 152mm Hyacinth?" It's worth clarifying here that the hull design, including the VLD on the T-64 (T-64B = 30+80+105+20), is similar to that of the T-72.1st shot – tank displacement from the impact impulse, destruction of part of the plate welded to the VLD, damage from barrel fragments and destruction of the weld seam of the support (the lower 20mm part of the VLD), destruction of the turret ring. 2nd shot – shot at the joint between the turret and hull over the driver's hatch – breach of the hull roof.Further shooting 4 more times at the turret, glacis, and gun. What can be said here? – For a design developed in 1961 without requirements to withstand hits from a 152mm OFS from "Hyacinth," it's actually not bad.The breach of the front part of the hull roof upon explosion of an OF projectile is well-known, see - problem with the stability of the MV hatch on the T-64(A) when hit over the MV hatch is also known - raises another question – why haven't these issues been improved in 65 years? On the "newest" T-90M, it's the same hatch as on the 64. Cracks and detachments of parts also occur the topic of researching the damaging effect of high-explosive fragmentation shells on armor, see -The effectiveness of a 152mm high-explosive fragmentation shell against armor significantly depends on its velocity and angle of impact. At velocities over 800 m/s, the impulse force of the shells can reach 40-50 kN·s, which is 2-2.5 times greater than that of a 125mm high-explosive fragmentation shell; when the velocity decreases from 400 to 250 m/s, it decreases by 2 to 4 times... The impulse force when a 152mm shell hits a tank (at 800 m/s velocity) is 1.4-2 times greater compared to the impulse of a 125mm HE. INVESTIGATION OF THE DAMAGING EFFECT OF HIGH-EXPLOSIVE FRAGMENTATION SHELLS ON ARMOR (

Andrei_bt

26,662 просмотров • 4 месяцев назад

Rock Band Enter Shikari on Gaza at the Reading Festival, "15 years ago I wore a t-shirt on stage with big print which said Free Gaza" "Back then I was a young man who just learning about this thin strip of land on the eastern Mediterranean" "I was just learning about a people, the Palestinians, who alongside Jews and Christians have lived there for millena" "And I was just learning about the state of Israel and how it treated Palestinians as second class citizens, subjecting them to constant intimidation, humiliation, subjugation and forced them to live in what was often described an open air prison - that was 15 years ago" "We've all seen how f*cking horrific things have got now" "We've seen the firepower equivalent of six Hiroshina atomic bombs dropped on Gaza in the last two years" "Ever single school and university destroyed" "Almost 300 journalists murdered" "Doctors, killed, maimed, detained" "Children shot in the head by snipers" "This is not a tragedy, a national disaster" "This is a coordinated, mass displacement, mass starvation, an mass murder of the Palestinians in Gaza" "This is not a tragedy, it is a war crime" "If you're watching this live streamed genocide on your phone and your heart breaks every day, take strength in knowing you still have your humanity left" "Enter Shikari would like to express their solidarity with the Jewish people, Muslim, Christian, Atheist, and everyone around the world who demands an end to this atrocity" "Open the borders and let the aid into Gaza now" "Stop supporting and arming Israel now" "Just play music, no politics, play music, no politics. We've had that for 20 years now and we've ignored it. And I'll tell you why" "To be silent in times of atrocity, is to assist in maintaining that atrocity" "A great Jewish sage one said: it is not the duty of you alone to heal this world, but you should not refrain from trying"

Farrukh

346,686 просмотров • 10 месяцев назад

Beneath the seemingly unremarkable yellow earth of central China's Wuyang County (舞阳) lies a prehistoric civilization representing of the earliest peak of Chinese civilization. It predates the Egyptian pyramids by millennia. The people there played bone flutes, brewed rice wine, crafted turquoise ornaments-leaving behind some of the very earliest footprints of Chinese civilization. This place is called Jiahu (贾湖). Recently, Chinese archaeologists discovered the world's earliest known wooden coffin here, dating back more than 8,000 years. The latest archaeological findings reveal more than 200 tombs in the central area of this site, among which 10 show evidence of wooden coffins. These coffins are rectangular in shape. Some measure around 2 meters in length, 0.6 meters in width, and 0.06 meters in thickness. Soil analysis from these locations indicates that the lignin content is significantly higher than in the surrounding areas. So far, no coffin lids have been identified. In Egypt, coffins appeared roughly 6,000 years ago. In China, the arid northwest region of Xinjiang has preserved a wealth of ancient artifacts. According to the chief archaeologist there, the earliest coffins were discovered at the Xiaohe Cemetery: boat-shaped coffins covered with cattle hides, dating back about 4,000 years. In eastern Zhejiang, a wooden coffin over 6,000 years old has been found, though only as a single instance. More systematic use of wooden coffins appeared around 6,000 years ago in eastern China's Shandong. The Jiahu site was discovered in 1961 during the excavation of a cellar used to store sweet potatoes, but systematic archaeological work did not begin until 1983. In a twist of fate, the son of its original discoverer now works at the local museum. Over ten excavations, nearly 50 bone flutes made from the ulnae of cranes have been unearthed. These are the oldest and best-preserved wind instruments known in Chinese music history. This remarkable site dates back some 9,000 years, emerging as the Ice Age came to an end. About 7,500 years ago, according to traces of flooding found in the archaeological record, its inhabitants abandoned the settlement due to this natural disaster. The flutes vary from two to eight finger holes. Over decades of careful study, Chinese scholars have tested and measured their sound. They found that most of the seven-holed flutes can roughly perform a diatonic scale. By contrast, the world's earliest bone flutes, discovered in Germany, though skillfully drilled, lack the ability to play a seven-note scale. As for their purpose, some suggest the flutes may have been used to lure game, while others believe they were intended as offerings or prayers to the heavens, the latter pointing to a ritual use. Today, the Ancient Music Ensemble of the Henan Museum (河南博物院) performs daily for visitors using replicas of the Jiahu bone flutes alongside other traditional instruments. I captured this video two years ago during a performance held as part of a conference I attended (top left). As archaeological research continues over the past four decades, the Jiahu site keeps delivering new surprises. I would like to share some of the important findings I have learned: The earliest evidence of rice in China comes from more than 9,000 years ago at the Shangshan (上山) site in Zhejiang. Charred rice grains have also been discovered at Jiahu. Although not as abundant as those at Shangshan, they indicate that the inhabitants of Jiahu were among the earliest people on Earth to eat rice. In recent years, excavations have also revealed a 65,000-square-meter moat-surrounded settlement at Jiahu-essentially a prehistoric metropolitan. The area outside the moat has yet to be excavated, but it is possible that rice fields once lay there. Chronologically, the rice at Jiahu appears slightly later than that of Shangshan, yet they exhibit a higher degree of domestication. This disparity suggests that the two sites may have developed independently, without direct interaction. One distinguished archaeologist has speculated that the people of Jiahu may have migrated from continental shelves submerged by rising sea levels after the Ice Age, bringing with them a remarkably advanced civilization. Here lies one of China's earliest ding-shaped vessels. Around 3,000 years ago, ding with three or four slender legs symbolized state power and were reserved for the ritual ceremonies of the highest aristocracy. Even 2,000 years ago, the First Emperor of Qin went to great lengths in search of the nine sacred ding, which represented the sovereignty of the realm. At the Jiahu site, archaeologists uncovered numerous ceramic tripod ding vessels. These pieces may already have carried ritual significance, as they appeared only in tombs of high status that contained turtle plastrons. Here lies one of China's earliest ding-shaped vessels (鼎). Around 3,000 years ago, ding with three or four slender legs symbolized state power and were reserved for the ritual ceremonies of the highest aristocracy (top right). Even 2,000 years ago, the First Emperor of Qin (秦始皇) went to great lengths in search of the nine sacred ding, which represented the sovereignty of the China. At the Jiahu site, archaeologists uncovered numerous ceramic tripod ding. These pieces may already have held ritual significance, as they appeared only in tombs of high status that contained turtle shells. 3,000 years ago at Yinxu, capital of Shang Dynasty, diviners recorded their oracles on bones, primarily turtle shells-and these inscriptions, known as oracle bone script, are the earliest known systematic writing in China. While the precise origins of this script remain uncertain, discoveries at Jiahu offer important clues. In certain high-ranking burials at Jiahu, turtle shells have been unearthed, some engraved with symbols (bottom left). These symbols appeared in isolation and remain undeciphered today, yet they predate oracle bone script by nearly 5,000 years. Some of the shells contained small pebbles, suggesting their use in divination. Between 3,000 and 4,000 years ago, during the Xia and Shang Dynasties, turquoise held a status comparable to that of diamonds today. It was often used in the most luxurious objects. The earliest turquoise ornaments in China have also been found at Jiahu. In addition to what appear to be necklace beads, archaeologists discovered pieces that may have once been sewn onto fabrics covering the bodies of the deceased (bottom right). Jiahu also offers the earliest known evidence of pig domestication in China. Residues of alcohol have been found inside many pottery vessels; and chemical analyses reveal that they once contained a fermented beverage made from rice and hawthorn, marking the earliest known evidence of wine in China. Its age is comparable to the wine made in Georgia! Although DNA has yet to be successfully extracted, studies of human remains from the burials reveal that Jiahu males averaged 1.72 meters in height and females averaged 1.67 meters, with some individuals reaching 1.8 or even 1.9 meters-much taller than today's national averages. Considering the limited nutrition available in ancient times, such stature is truly remarkable. Half-jokingly, I once asked the chief archaeologist of the excavation: "Did they perhaps get enough calcium, maybe by drinking pork bone soup?" He chuckled and replied, "It's quite possible." One of my most respected mentors, Chairman of the Chinese Archaeological Society, once said that Jiahu represents "The earliest great peak of China's prehistoric culture; a place where the first light of Chinese civilization began to shine." To me, this radiant culture was both nurtured and scattered by water. Its level of development far surpassed that of other regions during the same period in China, and I cannot help but think of one name-the Atlantis of the East. If the Atlantis of the West is a myth born of humanity’s longing for a perfect world, then Jiahu may be a real miracle of early civilization. The melody of bone flutes, the elegant curves of ceramic ding, the lingering fragrance of ancient rice, the mysterious symbols carved on turtle shells-all lie silently beneath the yellow earth, waiting not to be imagined, but to be unearthed, understood, and remembered.

Zhai Xiang

41,678 просмотров • 10 месяцев назад