Every time a phone connects to wireless earbuds or a car stereo, a tiny Viking legacy quietly flickers to life. The ...

In a historic gesture, Denmark has officially granted the creators of Bluetooth technology the right to use the name and symbol of Danish King Harald "Bluetooth" Gormsson for the next 1,000 years.

Whether it's for your headphones or your keyboard and mouse, you probably use Bluetooth almost every day. The short-range wireless connection technology allows devices to stay connected wirelessly.

On Android phones, these symbols give a simple and important hint about your connections. In the status bar at the top of the display on an Android smartphone, you will find a number of symbols; some ...