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A comment on Wasabi Fire Alarm Alerts the Deaf with the Power of Scent. Parent comment

Re:Wasabi Fire Alarm Alerts the Deaf with the Power of Scent by Raphmedia on Friday July 28, 2017 @12:38PM (#14875505)
There are already phones for deaf people that you can rig to your house's light. When the phone ring all the lights of the house start flashing.
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