The winter in S City in the south is like the spring in the north: blue sky, white clouds, warm wind, green trees, flowers… 　　”Pick…

　　The sunset glow turned bright red against the milky white clouds, which was very beautiful. 　　After dinner, “Li Dabei” got dressed and walked to the…

　　It was obviously winter, but Xiao Yu, who was standing on the starting platform, saw a bird. 　　It was a fiery red bird, rolling down…

　　Aperture, that is, a radio receiving device. In classical radio science, aperture refers to the effective receiving area of ​​a radio receiving system, which is…

　　For thousands of years, human beings have witnessed the stars, explored the sun and the moon, and have been asking about the origin of the…

　　If someone gets lost in the wilderness, he has two choices: one is that he can search for traces of civilization; the other is to…

　　High temperature, heavy rain, cold wave, storm… After the earth entered the “Era of Escape”, the surface of the earth is no longer a beautiful…

　　Even if there is no external light source to stimulate, when we close our eyes, we will see flickering lights, this phenomenon is called “phosphenes”,…

Qi Zhi returned to Han Village at dusk. There is nothing special about Han Village, except that the village is bigger and has more trees…

　　Music occupies a pivotal position in almost all religions in the world. In Europe, Christianity, as a special ideological and cultural phenomenon and a humanistic…

　　 Since the beginning of summer, there have been many cases of heat stroke patients. Heat stroke is commonly referred to as severe heat stroke.…