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一按功能开关,即可改变字体的大小,甚至在阅读的过程中还可用尖细笔在空白处做上批语。此外,还可从互联网上选取文章加进该书。这便是美国麻省理工学院最近开发出的一种高科技图书。美国《大众科学》杂志对此作了专门报道。该书将传统油墨变成电子油墨。书的每一页上都涂上若干亿个用微型小囊包着的显微微粒,每个小囊单独能和一个电荷发生反应:小囊内的微粒向后移动显黑色,向前移动显白色。微粒移动的方向取决于加上正电荷还是负电荷,加负电荷为黑色,加正电荷
You can change the size of the font by pressing a function switch, or you can even use a tip pen to write a comment in the margin even while reading. In addition, the article can also be selected from the Internet to join the book. This is a high-tech book recently developed by the Massachusetts Institute of Technology. United States “Popular Science” magazine made a special report on this. The book turns traditional inks into electronic inks. Each page of the book is coated with a number of millions of microscopic particles encapsulated in microscopic vesicles, each of which responds individually to a charge: the particles within the vesicle move backwards to a black color and move forward significantly white. The direction in which particles move depends on whether positive or negative charges are added, negative charges are added to black, plus positive charges