Quit making funny faces or you aren't getting into the house, which sports a retina scanner instead of keys. The scanner can be fooled, but the odds are 1 to 1.2 million against it. You can also get in using RFID tags--the door can be programmed to automatically open as you walk up to it. When strangers come up on the porch, alarms go off.
October 25, 2006 3:59 AM PDT
Photo by: Michael Kanellos/CNET News.com
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