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Shanghai’s lockdown tests China’s online grocery apps

But things started to take a downturn last year. Despite the hype and money, these companies struggled to make a profit as lockdowns eased and people simply went back to shopping...

These hackers just showed how easy it is to target critical infrastructure

“OPC UA is used everywhere in the industrial world as a connector between systems,” says Keuper. “It’s such a central component of typical industrial networks, and we can bypass authentication normally required...

Inside the fierce, messy fight over “healthy” sugar tech

In an email to Rogers that December—obtained, like most of the others in this story, from court filings—Zhang wrote: “Some projects that you thought were owned by CFB are not owned...

Droughts are cutting into California’s hydropower. Here’s what that means for clean energy.

Hydropower often comes under fire for its environmental impact, because dams disrupt ecosystems. In fact, California currently doesn’t count large hydropower plants in its renewable-power targets. But regardless of how it’s...

A locked-in man has communicated in sentences by thought alone

On meeting the man in February 2018, Chaudhary tried to automate the communication system that the family was already using. The team connected an eye-tracking device to computer software that would...

It’s been two years since covid-19 was declared a pandemic by the WHO, and we still don’t know covid-19’s origins

That means there is little cause for complacency. With the virus still circulating widely, the risk of a dangerous new variant remains very real.  Two years on, we’re also still arguing...

The propaganda war has eclipsed cyberwar in Ukraine

“We’ve never seen all these different players coming out like this before,” says Adam Meyers, senior vice president at the US cybersecurity firm CrowdStrike.  But when millions of people in city...

This super-realistic virtual world is a driving school for self-driving AI

The problem is that for an AI to learn to handle the chaos of real roads, it has to be exposed to the full range of events that it might encounter....
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