Amazon’s answer to its grocery store woes: Skipping the checkout line

Elon Musk beats Jeff Bezos to become world’s richest person

Elon Musk, the outspoken entrepreneur behind Tesla Inc. and SpaceX, is now the richest person on the planet. A 4.8% rally in the electric carmaker’s share price Thursday boosted Musk past Amazon.com Inc. founder Jeff Bezos on the Bloomberg Billionaires Index, a ranking of the world’s 500 wealthiest people. The South Africa-born engineer’s net worth […]

Rocket Report: Ariane 6 workers are “hyperstressed,” SpaceX retort to Rogozin

Enlarge / Only five Ariane 5 rockets remain before Europe will transition to the Ariane 6 vehicle. (credit: ArianeGroup) Welcome to Edition 4.35 of the Rocket Report! No report next week. We’re now one week away from the momentous rollout of the Space Launch System rocket for the first time to the launch pad. I […]

The secret US mission to bolster Ukraine’s cyber defences ahead of Russia’s invasion

Enlarge / Flag of Ukraine on a computer binary codes falling from the top and fading away. (credit: gwengoat | Getty Images) Months before the Russian invasion, a team of Americans fanned out across Ukraine looking for a very specific kind of threat. Some were soldiers, with the US Army’s Cyber Command. Others were civilian […]