Campus emergency notification has come a long way since the April 16, 2007, Virginia Tech mass shooting in which an active shooter fatally shot two people at an on-campus dormitory and then fatally ...

Makers, hobbyists, and Raspberry Pi enthusiasts interested in building their very own home surveillance system complete with a notification system may be interested in this excellent Raspberry Pi ...

Apple in May 2020 introduced an Exposure Notification System, which was designed to let public health authorities and governments worldwide help people figure out if they've been exposed to COVID-19, ...