On Christmas morning, Estonia’s power grid operators got an unwanted surprise: The Estlink 2 power cable linking them to Finland had failed. The outage left only the Estlink 1 cable in operation ...

The Swedish authorities on Monday boarded a ship in connection with what they described as “gross sabotage” after an undersea communications cable in the Baltic Sea was damaged a day earlier.

While multiple versions of HDMI have come to fruition over the years, the basics haven’t changed: it’s an AV cable that sends audio and video upstream from your AV components (e.g., cable box ...