Every time a phone connects to wireless earbuds or a car stereo, a tiny Viking legacy quietly flickers to life. The short‑range radio standard known as Bluetooth did not get its name from a lab ...

The unexpected Viking Age origins of a modern technology staple, from the name to the logo.

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.

Henry, age 13, Somerville, Massachusetts How do headphones, toys, gadgets and other devices talk to each other without any ...