An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty The Bluetooth ...

They’re searching for Nancy Guthrie’s heartbeat. Cops are flying over the Tucson desert with a high-tech Bluetooth signal detector, also known as a signal sniffer, in an attempt to locate a signal ...

BEING desirous of obtaining a more suitable highresist ance for use at the Shore Station in connection with my system of testing and signalling during the submersion of long submarine cables, I was ...

You probably take your phone everywhere you go. So how do you end up misplacing it? Easy! We get too busy to remember where everything goes sometimes. That includes your iPhone. But don't worry, ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...