The world's largest coalfield - the Appalachian coalfield - is remarkable for its huge reserves and important position. This coal field is located in the Appalachian Mountains of the northeastern United States, with an area of 179700 square kilometers, equivalent to a medium-sized province...

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This year's "Olympic Games of the Aerospace Industry" - the 74th International Astronautical Congress was held in early October in Baku, the capital of Azerbaijan. More than 5400 top aerospace scientists, entrepreneurs, and enthusiasts from 132 countries gathered together, making it the most diverse international aerospace conference in history...

Science and Technology Daily reporter Liu XiaAustralian scientists have conducted the largest lighting study to date, with a survey of 87000 participants found that exposure to more light at night increases the risk of mental illnesses such as anxiety, bipolar disorder, and post-traumatic stress disorder, as well as self harm. The study also found that exposure to more light during the day can serve as a non pharmacological means to reduce the risk of mental illness...

The 2023 China Semiconductor Materials Industry Development (Texas) Summit will be held grandly on October 16th. On October 13th, Dezhou City held a press conference, inviting Zhu Kaiguo, Deputy Secretary of the Communist Party of China Dezhou Municipal Committee and Mayor, Chen Xiaoqiang, Deputy Mayor of Dezhou City, Qi Xiaoqing, Member of the Standing Committee of the Municipal Party Committee and Secretary of the Party Working Committee of Tianqu New Area, Wang Dashan, Deputy Secretary of the Party Working Committee and Director of the Management Committee of Tianqu New Area, Yan Zhirui, General Manager of Shandong Youyan Aisi Semiconductor Materials Co...

China's Beidou system was put into use for the first time in the the Xisha Islands. On September 15, two new shore based base stations based on the Beidou system were built...

Shen Yan CaseThe article was originally created and published by the headline of the Shen Yan case. Please do not plagiarize or reprint itThe 2023 Hangzhou Asian Games has come to an end, and the new technologies exhibited by China at this Asian Games have also left foreign friends stunned...

At the 2023 Shanghai International Consumer Electronics Technology Exhibition (TechG), several professionals in the field of artificial intelligence (AI) stated that AI is becoming an indispensable core element in smart life, and how to use AI to achieve enterprise intelligence has become the most concerned topic in various fields.This exhibition brings together nearly 200 technology companies from over 10 countries and regions...

Speaking of weatherWe have long been accustomed to seasonal changes and climate changeAnd keep an eye on the weather forecastSo, beyond EarthAre there also "weather changes" in the space environmentAstronauts in spaceShould we also pay attention to the "weather forecast"The answer is: they also need to watch the weather forecast!There is both "wind" and "rain"How do they affect space activities?The advantage of watching the weather forecast isHow to make space weather forecasts?thereforeAstronauts in spaceJust like everyone in front of the screenAlso pay attention to space weather forecastingUsing this as a referenceArrange one's own work(Our Space)...

He founded Ctrip at the age of 33, Rujia at the age of 36, and Hanting at the age of 39. He is a legendary figure in the Chinese hotel industry - Ji Qi...