Tech Radar

• Think you know your Tom Cruise from your Alan Ritchson? Take this ultimate Jack Reacher quiz before the Prime Video series ends — I bet you can't score more than 70%

  With Reacher season 4 currently streaming on Prime Video, there's never been a better time to put your Jack Reacher knowledge to the test. But can you hack this quiz?

• I'm a home appliances expert, and these are the air fryers I'd recommend for students — plus my top tips on how to choose

  Student-friendly friers — including an ingenious design that uses the same container for cooking, serving and storing, to minimize washing up.

• Rent a supernode by the hour - Alibaba brings frontier-scale AI compute to the public cloud, but only if you live in this remote Chinese province

  Alibaba's new AI supernode is rentable by the hour, built entirely on Chinese silicon, and smaller than every rival it's compared to.

• Nvidia wants to stop AI costs skyrocketing with its new software router — but will it really make a difference?

  Nvidia says its new router cuts AI costs by up to 74%, but the partner that measured it says it couldn't prove the router beat using the cheaper model.

• Ubiquiti sued by Ukrainian families over claims its tech powered Russian battlefield drones

  Lawsuit asks whether a networking company owes a duty of care to civilians hunted by drones 5,000 miles from its nearest point of sale.