The artificial intelligence firm says it wants to prevent “catastrophic misuse” of its systems.

Nvidia says the tool will transform game graphics – critics warn it could squeeze out artistic expression.

Alasdair Keane visits the Olympic training centre in Oslo.

Adrienne Murray visits the Esrange Spaceport in the far north of Sweden.

Alasdair Keane climbs aboard an electric boat in Norway.

Paul Carter checks out the newest phones, gadgets and trends from MWC Barcelona.

We chat about a conversational AI that’s almost human-like in its speech skills

Yvonne Johnson has motor neuron disease. AI is helping to return her lost voice.

The machines will be much more powerful than the ordinary computers we use today

We speak to a “chatter” on OnlyFans, who sends explicit messages on behalf of models.