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Smarter Parental Controls

If you've been using the parental controls options in Mac OS X to lock your child out of using a particular computer late at night, but would like to employ a more clever technique to limit Internet access, turn to MAC address filtering on an Apple base station.

To do this, launch AirPort Utility, select your base station, and click Manual Setup. In the Access Control view, choose Time Access to turn on MAC filtering. You'll need to enter the MAC address of the particular computer, which (in 10.5 Leopard and 10.6 Snow Leopard) you can find in the Network System Preferences pane: click AirPort in the adapter list, and click Advanced. The AirPort ID is the MAC address.

 

 

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Mark Morford on the Nocebo Effect with Electromagnetic Fields

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Prompted by a study in the Journal of Psychosomatic Research about perceived sensitivity to electromagnetic fields, columnist Mark Morford of SFGate.com has penned a powerful commentary about why some people may suffer very real symptoms from seeming exposure to radio waves from Wi-Fi gateways and cell phones. He doesn’t dismiss either the severity of these symptoms or the fact that there are innumerable aspects of modern life that have been proven detrimental to human health, but emphasizes that we similarly cannot discount the power of suggestion or conviction.Generic Globefollow link