{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","uuid":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","normalized_title":"数字化生存20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","isbns":["9787121307362"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":362,"navigation_url":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E5%8C%96%E7%94%9F%E5%AD%98%2020%E5%91%A8%E5%B9%B4%E7%BA%AA%E5%BF%B5%E7%89%88","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/bbcce9bd-b637-4fa6-8a80-dadabab80104","page_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/page","search_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/search"},"page":{"printed_page":130,"pdf_page":201,"physical_index":201,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"e6594b1ebb599ca2ab5a00bda3eeebe6acd16b4b052eac972800ca27a63e3d78"},"chapter":"20周年纪念版 数字化生存 一本影响千百万人的互联网启蒙经典著作","content":"美国北卡罗来纳大学(University ofNorth Carolina)的弗雷德·布鲁克斯（FredBrooks）和他的同事们想到一个绝妙的主意：想象那个机械手根本不存在，而把通往机械手的电线连接到一台计算机上，让计算机来模拟整个过程，你在屏幕上看到的物体不是真的，而是计算机根据其重量和弹性的特点而造出并显示给你看的模型。\n\n在我们眼中，计算机的触觉感应性差不多完全是指人去触摸计算机，而不是计算机去触摸人。\n\n我曾经参与制造一部原型机。这部机器有个强力反馈（forcefeedback）的设计，你想怎么移动这部机器都可以，但是机器也会出现反推的力量，跟你对抗。在计算机控制下，机器能从自由移动的状态，变得好像被推着在蜜糖中移动一样，简直寸步难行。在其中的一次试验中，我们使用了马萨诸塞州（Massachusetts）的地图和人口统计数据库。用户只要移动强力反馈的数字转换器（digitizer）从地图上穿过，就能规划出新公路路线。然而，推动数字转换器需要的力量会随着需要搬迁的家庭户数而改变。因此，你可以闭上眼睛，然后顺着阻力最小的那条路，实实在在地画出最容易建设的新公路路线。\n\n当IBM在它的“思考本”(ThinkPad)笔记本型计算机键盘的中央，设计了小小的红色操纵杆（joystick，鼠标的替代产品）时，它实际上向这种强力反馈的应用张开了双臂(因为操纵杆是靠感应力量而不是靠移动位置来操作的)。日后，当各种应用的发展日新月异，用户也习惯于感受“思考本”操纵杆的反推力量时，高级触控式的计算机信息处理将会很快风行市场。\n\n130\n\n|being digital|数字化生存","previous_page":129,"next_page":131}