Researchers are finding ways to make RFID radio tags do more than help shops and supermarkets track cans of beans. The BBC explains: Dr Kortuem and colleagues at the University of Lancaster are working on a project that combines smart tags and personal identifiers to keep an eye on people working on construction sites using [...]
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How do you connect to the Internet? If you use your own computer, rather than a public connection, your choices are between dial-up and broadband. [First published July 2006.] A dial-up connection is one where you connect a modem to your phone line. While the modem’s using the phone line you can’t make voice calls [...]
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