The Bluetooth wireless technology is worldwide known and used for its secure modality of transferring data between various electronic devices. It has become steadily popular for connecting mobile phones, personal computers or gaming consoles since the mid 1990s onwards. But have you ever imagined that its name might actually be correlated with that of a Viking…

Usage of the legendary sunstones is attested in several old Icelandic written tales to have helped the Norsemen during their lengthy maritime voyages from native Scandinavia abroad during the tumultuous Viking Age. According to several medieval allegorical stories such as, for instance, ‘Rauðúlfs þáttr‘ (meaning ‘The story of Rauð and of his sons’) written sometime during either…