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Super sharp TVs feature at show
The next generation of super sharp televisions took centre stage at the Consumer Electronics Show - but waterproof phones, bone conduction headphones and even a smart fork forcing users to slow their eating were on display.
Panasonic unveiled the state-of-the-art headphones, which sit just outside the ears and vibrate sounds directly into the skull.
The technology could prove a blessing for train and Tube passengers - as it enables users to listen to music without forcing it on others.
It also means listeners can hear other sounds, meaning joggers will be able to hear traffic, among other things.
Among the companies eager to show off their latest televisions are Samsung, Panasonic, Sony and LG, who demonstrated technologies such as ultra high-definition (ultra HD) and OLED.
OLED stands for organic light-emitting diode, while ultra HD - also known as 4K - offers resolution four times that of current high-definition sets.
The Panasonic prototype set combining the two technologies was unveiled by company president Kazuhiro Tsuga during a keynote speech.
Sony also announced its own prototype combining OLED and ultra HD technology. Both prototypes featured 56-inch screens.
Another TV to grab the headlines was Samsung's ultra HD (UHD) S9, which was unveiled in 85-inch and 110-inch models.
The ultra HD sets use Precision Black Pro technology which makes blacks look even darker, and sit inside a "Timeless Gallery" frame which give the impression the TV is floating.