The Paris prosecutor’s office told the BBC it had “taken note of the absence of the people summoned”.
A stellarator is difficult to build, but could it be the best way to make fusion energy work?
Ternus will take over running the technology giant in September as Cook steps up to become executive chairman.
How Ternus responds to challenges facing Apple will go a long way to deciding the tech giant’s future, writes Zoe Kleinman.
The popular messaging service told the BBC in a statement it “categorically denies Ofcom’s accusations”.
The firm, co-founded by Sam Altman, said it is “not responsible” for the attack at Florida State University
The head of the National Cyber Security Centre says frontier AI tools can be a force for good – if kept out of the wrong hands.