Then press enter: digital payment technology and the history of telephone interface

The internet and other digital networks in the U.S. (and beyond) remain essentially an upgrade of the national telephone network built by AT&T over the first half of the twentieth century, and digital payment remains tethered to telephony at the level of infrastructure. Telephone history also continues to inform digital payment at the level of interface. Debit card readers feature a keypad nearly identical to those introduced (also by AT&T) to the dialling public a half-century ago on touch-tone telephones. In this essay I highlight the development of the touch-tone keypad as a transformative payment technology. There have been three great leaps forward in the history of telephone interface: the dial, the keypad and the touch screen. Each corresponds to a period of technological transformation in the telephone industry and society more broadly: the rotary dial and automation, touch-tone keypads and digitization, and touch screens and computerization. The successful careers of the dial and the keypad, especially when read in tandem, suggest that touch screens will alter the everyday economics of retail payment even more radically than its predecessors. I also describe a broader trajectory of digital naturalization, whereby telephone numbers have proliferated into a personal identification number, passwords and a plethora of personalized information. Payments increasingly circulate today as subsets of personal information within the vast sea of big data. Payment apps are demonstrating a capacity to reorganize retail transactions on a scale as vast as any technology since the cash register. The history of retail payment finds the point of sale heading from the till into shoppers’ pockets. As a result, consumers are increasingly shouldering the costs of purchasing, maintaining, upgrading and securing the technology used for everyday transactions.     

桌面云技术在高校计算机类实验室建设中的应用

计算机软硬件技术更新换代速度越来越快.各学校计算机实验室拥有大量计算机，每年需要不少实验运行经费进行软硬件升级换代，因此应构建全新的实验室建设方案，降低实验室建设及维护成本，减轻教师工作强度，提高实验教学效果.通过桌面云技术把各种教学资源放到云平台上，师生用多种终端设备通过网络访问云端资源，可有效改善教学的时空环境，解决了传统实验室计算机更新换代快、实验环境扩展性差、维护管理复杂等问题.     

“科学技术是双刃剑”质疑

在学术界,持"科学技术是双刃剑"论的学者,似乎没有真正搞清楚科学技术的基本性质,因而他们的观点存在诸多明显缺陷。科学技术具有真、善、美的本性。具有真、善、美本性的科学技术,不可能同时包含着假、恶、丑的内容,因而"科学技术是双刃剑"的命题不合逻辑。人类在利用科学技术从事实践活动的过程中,常常会受到来自自然界盲目力量的报复,那是因为人类的无知。而一些个人、团体和国家利用科学技术从事犯罪活动,则根源于他们的贪婪,没有理由把他们犯下的罪行归咎于科学技术。     

论海德格尔技术观

海德格尔是20世纪德国著名的哲学家,作为后现代哲学思潮的先驱,海德格尔对技术进行了一系列深刻的本质探讨,而成为学界公认的对技术"存在论"进行追问和创新的哲学家,本文探讨了海德格尔的技术观,对其进行了梳理和评判。     

浅议高校财务信息化的安全问题

随着计算机的发展和信息化的普及，各个行业都不断地在改革和创新，财务行业亦是不落人后。财务信息化改变了传统的会计模式，加快了效率，降低了差错率，提高了数据处理能力，适应当前前经济社会发展的需要。但与此同时，复杂的互联网环境与财务信息系统特有的性质也带来了新的隐患，直接影响账务安全，威胁整个财务行业的发展。因此，探讨软硬件防护对安全管理的意义有助于高校计划财务处信息化建设工作。     

The economic design of multivariate binomial EWMA VSSI control charts

Since multi-attribute control charts have received little attention compared with multivariate variable control charts, this research is concerned with developing a new methodology to employ the multivariate exponentially weighted moving average (MEWMA) charts for m-attribute binomial processes; the attributes being the number of nonconforming items. Moreover, since the variable sample size and sampling interval (VSSI) MEWMA charts detect small process mean shifts faster than the traditional MEWMA, an economic design of the VSSI MEWMA chart is proposed to obtain the optimum design parameters of the chart. The sample size, the sampling interval, and the warning/action limit coefficients are obtained using a genetic algorithm such that the expected total cost per hour is minimized. At the end, a sensitivity analysis has been carried out to investigate the effects of the cost and the model parameters on the solution of the economic design of the VSSI MEWMA chart.     

大学教学价值取向:历史与现实

从影响当前大学教学方方面面的价值取向看,大学教学要坚守古代的"理智培育"价值取向,这是大学教学永葆魅力的根源所在.同时,大学教学要张扬现代的"技术获取"价值取向,这是作为生活世界现象的大学教学的重要使命之一.第三,大学教学要倡导后现代的"欲望释放"价值取向,这是大学教学充满生机与活力的保证.因此,大学教学价值取向并非还原为欲、技、道中的某一维,而是这三者的有机统一.     

从公共政策分析的视角看科学技术与社会的相互作用

科学技术与社会相互作用,已经成为现代社会人类把握世界的一种基本方式,这种把握世界的基本方式对科学技术采取理性、审度、宽容的立场和态度。为推进科技与社会相互作用,促进科学文化与人文文化两种文化相互融合,进而破解斯诺命题,实现科技、人口、经济、环境、资源和社会可持续发展,需要制定和选择合理的公共政策为其提供内在动力和调整机制。     

工业、知识革命与现代民族素质--民族素质研究之二

本文在论述工业革命和知识革命过程的基础上,简要介绍了现代民族素质的发展状况.     

论民族地区全面建设小康社会中的科技创新

要文章立足于民族地区社会经济发展和演变的实际,分析了民族地区全面建设小康社会中的科技创新现状,探讨了民族地区走科技创新的新路子的途径。