金与银是大家爱不释手的金属饰品,人们总觉得其愈大愈多才能显现出它们的贵重。但你可能不知道,当金和银变得很微小时更能显现它们的真正价值!纳米是什么近来“纳米”这个名词频频出现在日常生活中,市面上琳琅满目的产品,举凡纳米啤酒、纳米马桶、纳米空气,甚至纳米水,使得社会大众一头雾水!这些纳米产品是真的有特殊效用,抑或只是商人谋利的噱头? Gold and silver are metal ornaments that everyone put it down, people always feel that the greater the more they can show their precious. But you may not know that the real value of gold and silver can be more apparent when they become very small! What is nano? Recently, the term “nano” has appeared frequently in daily life. There are a lot of products in the market, , Nano-toilet, nanometer air, and even nano-water, making the general public confused! These nano-products are really special utility, or just a businessman profit gimmick?