It is estimated that many young people have not used the product of a recorder, and some have not even seen it, without knowing what it is.Cassette recorders were once extremely popular from the 1980s to around 2000...

From July 14th to July 16th, the 2023 New Knowledge Youth Conference of the Zhihu Annual Carnival was held in Beijing's 751 Park, with the theme of "Building the Sea". Zhihu joins hands with New Knowledge Answers to embark on an intellectual "surfing", witnessing the radiance of new knowledge for every new employee...

With the process and development of urbanization, more and more people are flocking to big cities, striving to find a job in them. But the increasing population in big cities has also led to a problem, which is the continuous increase in garbage in big cities...

Before reading this article, please click on "Follow" to make it easy for you to review a series of high-quality articles from previous issues at any time, and to facilitate discussion and sharing. Thank you very much for your support!Wen|AfangEdit|AfangintroductionPolypropylene (PP), as a thermoplastic material with the characteristics of environmental friendliness, recyclability, and high melting temperature, has become the most potential material to replace existing DC cable insulation...

The Capital of Rare Earths With the progress of world technology, rare earths have become increasingly important, and countries have begun to establish rare earth industry chains. However, rare earths are mostly associated minerals, and in order to extract them, it is necessary to establish a large-scale metal smelting industry chain such as zinc, aluminum, and manganese...

Before reading this article, please click on "Follow" to make it easy for you to review a series of high-quality articles from previous issues at any time, and to facilitate discussion and sharing. Thank you very much for your support!Wen|AfangEdit|AfangprefaceSupercapacitors are an emerging energy storage device, widely used in many fields such as automobiles, electronic devices, communication products, etc...

Science and Technology Daily reporter Zhao HanbinIn the mountainous areas of southwestern China, many rural areas are characterized by poor soil quality, lack of water resources, and varying degrees of pollution. At the same time, although extensive rural power networks have been established in various regions, the tight situation of some remote village groups and farmers' "power grid ends" has not yet been fully alleviated...

Artificial intelligence has greatly changed our production and life. Welcoming the artificial intelligence revolution, laying out the artificial intelligence industry, and cultivating new driving forces for economic development have become the "must answer questions" of the times...

Beijing, July 14th (Reporter Liu Zhiqiang) Recently, the National Development and Reform Commission, together with relevant departments, conducted in-depth research to understand the development of platform enterprises and sorted out a batch of typical investment cases. From the research situation, it can be seen that platform enterprises continue to increase their investment in technological innovation, empowering the real economy, and other fields...

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Repairing Computers, Bargaining Prices, Angry Boss Follow upThe shopkeeper was so angry that he collapsed after being haggled that he said, 'Everyone, don't use internet violence against women!'!In daily life, people often bargain when buying things, such as cutting a small amount when buying groceries or a few dollars when buying clothes and shoes, all of which can be cut off. But if the bargaining goes too far, the boss won't sell either, after all, the boss is not stupid, who would do a loss making business...

Before reading the article, please kindly click on 'Follow' to facilitate discussion and sharing. In order to give back your support, I will update you daily with high-quality updateswriting|Ocean Dreameredit|Ocean Dreamer-Preface-I wonder if you still remember the Gionee mobile phone that was popular all over the country,In that era when mobile phone brands flourished, Jinli became a leader in the mobile phone industry with its own efforts...