• On the cover of nature! Scientists built the smallest aircraft in history, only the size of a grain of sand

    Do you know how small aircraft humans can make? The answer is the size of a grain of sand enlarged micro flyer size comparison of a micro air vehicle and an ordinary ant A scientific research project team led by Northwestern University of the United States and composed of research teams from many countries has successfully developed the smallest man-made aircraft in the history of mankind – micro aircraft”micro flyer“, relevant research papers were published on the cover of the international journal Nature on September 23, 2021 Today, Xiaobian will…

    June 1, 2022 science
  • How many national nature reserves have you been to in Sichuan

    Sichuan is a major tourism province in China, with magnificent and dangerous natural scenery and colorful ethnic customs. Today, let’s take stock of these national nature reserves in Sichuan. 1. Longxi &mdash— Hongkou National Nature Reserve The original eco-tourism area closest to Chengdu can be called “ Chengdu Little Three Gorges ”. 3. Panzhihua Cycas National Nature Reserve It mainly protects Panzhihua Cycas forest 5. Wanglang National Nature Reserve Located in Pingwu County, Mianyang, it is one of the first four nature reserves established in China to protect rare animals…

    May 21, 2022 travel
  • The surface layer of star flow plays the “sound of nature”

    The scientific team of the University of York in the UK made an unexpected discovery. The results of physical experiments proved that stars emit shocking sounds of nature. They came to a conclusion from the research methods of celestial fluid mechanics. Fluid mechanics in physics can be traced back to ancient Egypt, but it is not easy to find in the field of fluid mechanics. It seems that people have developed communication tools and developed a variety of communication methods in the field of communication technology. Mobile phone is one…

    May 20, 2022