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开栏语:从本期开始,本刊上半月杂志的《常识讲堂》栏目增加一个小栏目《生活科学》,由一位理工科爸爸带领读者一起走入生活中的科学世界。这位爸爸将物理、化学等知识融会贯通到日常生活中,把看似复杂的科学知识用简单、优美的文字和语言传递给他的孩子,同时也为成人补上一堂科学常识课。待春节刚过,空气中微微有了春意,孩子便跟着爸爸开始学起了轮滑。头盔、护手、护肘、护膝,孩子被全副武装起来。“一定要带这些吗?”孩子觉得挺麻烦。“初学的时候,一定要戴啊!”爸爸说。孩子颤巍巍地站起来,跃跃欲试。爸爸说“:我们不能先学滑行,要先学摔跤。”“摔跤还用学吗?”孩子问。“是呀,学轮滑肯定要摔跤。只要觉得要摔了,就不要勉强支撑,因为你越不想摔,可能摔得越严重。主动摔、
Open the column language: From this issue, the magazine in the first half of the magazine ”common sense lecture“ column to add a small section of ”life sciences“, led by a science and engineering Dad led readers into the world of life in the scientific world. The father integrates physics, chemistry and other knowledge into daily life, passing on seemingly complex scientific knowledge to his children in simple, beautiful language and language, as well as supplementing science with common sense for adults. When the Spring Festival has just passed, there is a slight spring in the air, and the children begin to learn to roller-skate along with their father. Helmets, handguards, elbow pads, knee pads and children are all armed. ”Do you want to bring these?“ ”The child feels very troublesome. “Beginner’s time, be sure to wear!” “Father said. Children trembled to stand up, eager to try. Dad said ”: We can not learn to glide, we must first learn wrestling. “ ”Wrestling also learn?“ ”The child asked. "Yes, learn to skate must be wrestling.As long as you feel you want to fall, do not reluctantly support, because the more you do not want to fall, may fall more serious.Active wrestling,