Tech

Nasa may roll back Artemis II rocket launch after helium flow discovery

Agency statement comes one day after announcement of 6 March target for astronauts’ mission to circle the moon

The best milk frothers in the US for everything from lattes to hot chocolate

You don’t need a $4,000 espresso machine for velvety cafe-quality microfoam

The splinternet: how online shutdowns are getting cheaper and easier to impose

Iran has shown how plausible blackouts now are, with far-reaching consequences for the internet as we know it

Relooted: the South African video game where players take back artefacts from western museums

Creators say they’re offering Africans a ‘hopeful, utopian feeling’ of retrieving objects looted by colonial armies

'Slow this thing down': Sanders warns US has no clue about speed and scale of coming AI revolution

After meeting with unspecified tech leaders, senator calls for urgent policy action as companies race to build ever more powerful systems

Scrubs: the cast’s chemistry is still so sparky it totally carries this zinger-packed comeback

Dr Cox is still electrifying, the original cast’s interactions are a joy to watch, and after a couple of episodes it finds its tone – making it just the comfort TV we need right now