Color copiers make it easy to counterfeit
Article Abstract:
The emergence of high-quality color photocopiers onto the market has simplified the counterfeiting of color documents and as a result, false documents are cropping up all over the US. Especially susceptible are admission discounts, transportation passes, gift certificates, food coupons and tickets for events. Although counterfeit money is a minor problem, the federal government has taken the precaution of designing new security devices into printed money so that photocopies are easily spotted. Various protective technologies have been developed for other documents, including hologram stickers to be placed on passes and tickets. Some tickets are being printed on foil, which blinds the copier. Consultants suggest using thick card stock that is hard to photocopy, and printing two-sided documents. Counterfeit checks and tickets will rarely have the perforated edges of legitimate documents.
Publication Name: The Wall Street Journal Western Edition
Subject: Business, general
ISSN: 0193-2241
Year: 1992
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Hard lessons: after a decade of having computers in the school, we've learned a lot about what does -- and doesn't -- work
Article Abstract:
Computers have been used for more than a decade, and billions of dollars have been spent, but so far, very little seems to have been accomplished. In fact, things are not as bad as they seem. We now know that computers can improve education, but we also know that careful planning is required. Ten 'hard lessons' that have been distilled from the experiences of educators are presented. For example, computer labs have turned out to be a poor location for computers. Teachers report that 30 minutes per week of introducing students to computers has almost no impact, and some say even a single computer conveniently located in a classroom has more value. Another lesson is that computers function best as a tool, and teaching about them as a subject of their own is a relatively unproductive approach. A third problem has to do with preparing teachers to use technology effectively in teaching.
Publication Name: The Wall Street Journal Western Edition
Subject: Business, general
ISSN: 0193-2241
Year: 1997
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