The ScenSor DW1000 tunes in to wireless technology to let people locate important items such as medical equipment or even children.
The initial bulbs are for industrial use, but manufacturer TCP says it will soon be offering the same CFL and LED lighting options to consumers.
Ember, a start-up developing chips for ZigBee, gets money from Paul Allen's venture fund. Bob Metcalfe comes aboard as chairman.
Someday, the Internet could be used to track conditions in office buildings, waterways and battlefields. But right now, miniature wireless sensors have barely made it out of the lab.
A group of leading technology companies will meet this week to further develop an emerging wireless networking technology aimed at home automation.