Stations must warn if new TV signals lack reach

(AP) -- TV stations must alert viewers if their new digital signals don't reach areas covered by their soon-to-be-defunct analog broadcasts, the Federal Communications Commission has ruled.

Electric ferries and joined-up shipping to turn sea travel green

Electric ferries and digital communication between ships could help in the quest to decarbonise maritime transport, a sector which is often perceived as being the green option but could still do much to lower its environmental ...

Teenage password security

Many of us are sharing increasing amounts of personal information through online social media sites, including Facebook, Twitter, LinkedIn and others. However, according to Charlott Lorentzen, Markus Fiedler and Henric Johnson ...

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