PER
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Why do airplanes use Mach instead of km to describe speed?
Unlike kilometers or miles, Mach is measured in terms of the speed of sound. So why do planes choose Mach instead of the usual kilometers?
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Superman's Powers From a Scientific Perspective: Fictional, But Not Impossible
The changes in gravity between planets other than Earth are also unlikely to help humans possess superpowers like Superman.
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Hyperlooptan super-speed train with a speed of more than 1,200km/h disappears into thin air
The Hyperlooptan super-speed train with a speed of more than 1,200km/h, nearly supersonic speed, described by billionaire Elon Musk could not become a reality.
Archeology
A boy went to glean rice and found 3 strange pots, the expert was startled when he saw a 'nine-tailed fox'
While picking up rice, this boy unexpectedly picked up a rare and strange pot that surprised even the experts.
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Which planet is the smallest in the Solar System?
It is the closest planet to the Solar System, with a diameter just over one-third that of Earth.
Archeology
'Never Known' Species Found in Qin Shi Huang's Grandmother's Tomb
When excavating the tomb of Qin Shi Huang's grandmother, archaeologists could not have imagined that they would discover a new species for world biology.
Space science
Death 11.5 Billion Years Ago Bombs NASA: A Chilling Prediction for Us
One of the most terrifying and fierce death objects in the universe accidentally entered the Hubble hunter's lens after traveling through time from a world 11.5 billion…
Animal world
What does the world look like through the eyes of animals?
Some animals see colors that humans can only imagine, like UV rays.
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Leaked photos of Leonardo da Vinci and Mona Lisa, experts join in to find surprising clues
Photo suspected to be of Leonardo da Vinci and her
Space science
In 2035, a cosmic ghost 'traveled through time' to Earth
The James Webb Space Telescope has just discovered a new ghostly phenomenon 10 billion light years from Earth.
Space science
Mystery of radio signals emitted from the center of the Milky Way
In the boundless universe, we have detected a mysterious radio signal coming from the center of the Milky Way!
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Why did ancient Chinese emperors use jade coffins?
Because of their belief in the magical properties of jade, ancient Chinese nobles were often buried in jade coffins sewn with gold or silver thread.
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After the Qing Dynasty collapsed, where did the imperial guards who were responsible for protecting the emperor go?
The Imperial Bodyguards were the people responsible for protecting the emperor of the Qing Dynasty.
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Airplane wings covered with tape cause a stir among netizens, experts confirm 'very safe'
Duct tape 'small but mighty'