科教频道|小拉链大发明。

最容易让人忽略的发明或许就在我们身边，拉链就是这样一个平日里被忽略但又非常重要的东西。

Perhaps the most overlooked invention is around us.The zipper is such a neglected but very important thing in daily life.

19世纪中期，欧美地区很流行穿长筒靴，主要是因为长筒靴适合走在泥泞的道路上。但人们又很苦恼，因为每次穿鞋，拖鞋都要扣上，解开20多个铁钩式的纽扣，既不方便又浪费时间。为了免去这种麻烦，人们甚至整天都穿着靴子不脱下来。

In the mid-19th century,jackboots were popular in Europe and the us ,mainly because they were suitable for muddy roads.But people are very distressed again, because wear, take off a shoe to want to botton, unlock 20 many iron hook type botton every time. both inconvenient and waste time. To avoid this trouble, people even wear their boots all day long.

1891年，美国芝加哥的机械师贾德森为了免除系鞋带的麻烦，发明了一种可以替代鞋带的拉链。这种拉链由一排钩子和对应的扣眼构成，用铁质的滑片从下往上一拉，就能让钩子和扣眼依次扣紧。他把这种新发明的样品送到1895年哥伦比亚博览会上展出，获得了好评，并取得了专利。

In 1891,Judson, a machinist in Chicago, invented a zipper that could be used to replace shoelaces in order to avoid the trouble of tying them.The zipper consists of a row of hooks and a corresponding row of buttonholes , which can be pulled up and down with iron slides to make the hooks and buttonholes tighten. in turn.He sent a sample of this new invention to the Columbia exposition in 1895.It was well received and patented.

20世纪30年代，英国的威尔士亲王穿上了一条由拉链代替纽扣的裤子，为人们所惊叹，从那时起，带拉链的服饰就成为最时髦的服饰了。渐渐地，拉链应用到生活的方方面面，为全世界所认同和接受。

In the 1930s,the prince of wales wore a pair of trousers with a zipper instead of a botton, and since then,zippers have become the most fashionable item of clothing.Gradually, zipper has been applied to very aspect of life and has been recognized and accepted by the whole world.

Miss Qiuer 原创

科学成长谷以项目制小班授课，通过PBL项目制激发主动协作能力，能够让每一个孩子亲自动手，主动表达，启发思考。成长谷科学启蒙课，坚持体系化自主课程研发，将多领域生动有趣的科学实验呈现给未来的小科学家们，为孩子们提供更加公平更加有质量的教学体验，让孩子们在实验中学会求知，学会共处，学会做事，学会创新。

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