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Mississippi had a problem born of the age of soaring student testing and digital technology. High school students taking the state's end-of-year exams were using cellphones to text one another the answers. Enlarge This Image Drew Angerer/The New York Times John Fremer, 71, a Caveon co-founder who was once the chief test developer for the SAT. CHEAT SHEET A High-Tech Approach Articles in this series examine cheating in education and efforts to stop it. Readers' Comments Readers shared their thoughts on this article. Read All Comments (77) » With more than 100,000 students tested, proctors could not watch everyone - not when some teenagers can text with their phones in their pockets. So the state called in a company that turns technology against the cheats: it analyzes answer sheets by computer and flags those with so many of the same questions wrong or right that the chances of random agreement are astronomically small. Copying is the almost certain explanation.

article from a student with podcast

"Law enforcement agencies across Europe are on alert over the proliferation of gun-making software that is easily found on the Internet and can be used to make a weapon on a consumer-grade 3-D printer. "

3D printed car (video)