How many kilometers is Mach 1 equal to? Why do aircraft use Mach to describe speed and how fast it is
One day, the animal kingdom held an all-around race, where in addition to rabbits and turtles, there were also animals of vastly different sizes, such as ants and elephants. At first, the competition went smoothly, but when everyone discussed which unit to use to display the speed of the animals, serious disagreements arose...
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Why do high-speed railway stations need to be built tens of meters high? Is the square in front of the station so large just for preparation?
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The world's first successful parachute opening test of the Xiaopeng Huitian Flying Vehicle in ultra-low altitude flight below 50 meters
On October 20th, IT Home reported that Xiaopeng Huitian, an ecological enterprise of Xiaopeng Automobile, recently released a news that Xiaopeng Huitian's self-developed complete multi parachute rescue system has successfully undergone flight and parachute opening tests,This technology fills the gap in the field of ultra-low altitude safety and lifesaving at home and abroadBringing a new approach to safety and lifesaving technology to the ultra-low altitude flight industry.According to reports, the Xiaopeng Huitian Flying Automobile Traveler X2 flew at an altitude of 50 meters, and multiple large parachutes quickly ejected and deployed, while the X2 slowly descended,Landing smoothly at a grounding speed of 5...
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The "Zheteng" airport is 75 kilometers away from the city center, and you need to take the high-speed rail first to catch a plane?
Lanzhou Zhongchuan International Airport is located on the land of Longyuan, surrounded by mountains. It is a fourth level airport with 119 destinations and 212 routes, with an annual passenger throughput of 15 million people, making it an important hub in the northwest region...
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The coal seam is 1000 meters thick and has a reserve of up to 300 billion tons. The world's largest coal field is actually larger in area than Guangdong Province
Anhui North Coalfield: Energy Support and Transformation Challenges for China's Economic Development Preface: China, a major country in the East, regards its abundant coal resources as an important pillar of economic development. As a pearl among them, the coal fields in northern Anhui have been providing a continuous supply of industrial and civilian energy in China...
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Trillion cubic meters of new gas area in Tarim Basin enters the stage of comprehensive development
Today (15th), PetroChina announced that the largest ultra deep condensate gas field in China, Bozi Dabei Gas Field in Tarim Basin, has been fully completed and put into operation, marking that the new trillion cubic meter atmospheric area in the Tarim Basin has entered a new stage of large-scale development, adding new guarantees for the safe and stable gas supply of the West East Gas Pipeline....
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The construction of the 40 meter aperture radio telescope in Changbai Mountain, China will form an "equivalent aperture" of 3800 kilometers
Source: China News NetworkBEIJING, Oct. 11 (Reporter Sun Zifa, Zheng Yingying) Following the launch of the construction of the Shigatse 40 meter radio telescope in mid September, the Shanghai Astronomical Observatory of the Chinese Academy of Sciences started the construction of the Changbai Mountain 40 meter radio telescope project on October 11...
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In 1988, a plane suddenly broke apart at an altitude of 7500 meters, and the flight attendant was blown away on the spot. What happened afterwards
prefaceIn 1988, a high-altitude flight accident touched the hearts of all Americans. On the other side of the ocean, it is late at night in the never-ending city of Las Vegas...
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The coal seam is as thick as 1 kilometer and extends for thousands of kilometers! Is the world's largest coal field actually formed by plants?
Before reading this article, please click on "Follow" to facilitate discussion and sharing with you, and also to watch the next exciting article in a timely manner. Thank you very much for your attention!Coal, known as "black gold", is an important part of the world's energy landscape...
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Taiyuan Huawei Coal Mine Corps Global Headquarters Project!! It will reach over 100000 square meters!
As a traditional energy province, Shanxi shoulders the major mission of piloting the comprehensive reform of the energy revolution. In recent years, traditional industries in our province have undergone intelligent transformation, and the digital economy industry is gaining momentum...
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Good news, the water level of the Three Gorges Reservoir has skyrocketed! Approaching 165 meters is a good thing for the middle and lower reaches of the Yangtze River
Good news, since the Three Gorges Reservoir started storing 175 meters in 2023, the water level has risen significantly.From a trend perspective, this situation is very good compared to 2022...
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The coal seam is 1 kilometer thick and spreads for thousands of kilometers! The world's large coalfields are formed by plants
The world's largest coal mine has always been a focal point in the fields of technology and geology. For these stunning coal mines, people have been speculating on how they were formed...
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