Quantum machines, which tap into the weirdness of quantum mechanics – a branch of physics that deals with the behaviour of sub-atomic particles – are a long-held dream in the tech world. Illustration: Maciej Frolow/Getty Images

As a keen player of the board game Go, Mark Griswold was enthralled by the 2016 contest between the world’s top player and a computer – a milestone in(...)

Molly Martens Corbett and her father, Thomas Martens.

At the heart of the case against Molly Martens Corbett and her father, Thomas Martens, for the murder of Jason Corbett was a picture of ferocious viol(...)

Thomas Martens: claims self-defence in the killing of Jason Corbett, his son-in-law. Photograph: Donnie Roberts/Dispatch

Thomas Martens, who is accused of murdering the Limerick man Jason Corbett in 2015, said he hated his son-in-law, a former colleague has told his tria(...)