SM BLOG

Image copyright BJORGOLFUR HAVAROSSON Image caption Technology in these salmon cages monitors fish behaviour to determine if they are fully fed Fish farming is big business - the industry now produces about 100 million tonnes a year - and with salmon prices soaring, producers are turning to lasers, automation and artificial intelligence to boost production and cut costs. How do you know if farmed salmon have had enough to eat? Well, according to Lingalaks fish farms in Norway, which produce nearly three million salmon each year, the fish make less noise once the feeding frenzy is over. The firm knows this thanks to a new hydro-acoustic system it has installed at one of its farms. The system listens to the salmon sloshing loudly about as they feed in a cluster. When the fish have had enough, they swim off and the noise lessens. Lingalaks chief executive Erlend Haugarvoll hopes this knowledge will save his firm lots of money in reduced feed, as much of it currently gets wasted. ...

xible, futuristic components to make more radical models possible? And will sales continue to decline until they do? Samsung is casting a long shadow over this year's Mobile World Congress. The technology industry get-together in Barcelona is set to be dominated by the launch of its Galaxy S9 and S9+ handsets. The reaction from many rivals - including Huawei, HTC and LG - appears to have been to hold off their own flagship launches until later in the year. Image copyright SAMSUNG Image caption Samsung has released several camera-themed promo videos ahead of the Galaxy S9's launch Based on "leaks", the  S9 looks to be another rectangular , rigid product with an almost-all glass front and sleek metal back. Samsung's own teaser campaign  has centred on its camera's capabilities rather than a radical form. Of the few other new phones expected, speculation has focused on how many lenses they will feature, where their fingerprint sensors will be placed,...