We were able to check on the same things he was working on, as well as explore on our own. At Buena Vista, communications professor Paul Bowers had students collaborate in small groups to find online resources on political campaigns. But some students catch up on personal e-mail instead of paying attention. Craig Boyd, a philosophy professor at Greenville, banned laptops last fall when he learned a student was checking baseball scores during class. And unless all students have laptops, instructors cannot fully incorporate them into the curriculum.
Wireless networks use frequencies separate from cell phones.
They share an unregulated 2.4 Gigahertz frequency with microwave ovens, newer cordless phones and devices using an emerging Bluetooth standard. As wireless products get popular, interference could become a problem. In the next few years, wireless networks will likely become commonplace at hotels, airports and some businesses, analysts say. This figure is on top of the business for cellphones. Copyright 2000, Digital Chicago Inc.