Business

Brazil raises $8.4 bn in 5G tender

Brazil raised $8.4 billion in investments and license fees in an international tender to build and operate one of the world's biggest 5G data networks, Communications Minister Fabio Faria said Friday, hailing a "great success."

Security

Sinclair hit by ransomware attack, TV stations disrupted

Sinclair Broadcast Group, which operates dozens of TV stations across the U.S., said Monday that some of its servers and work stations were encrypted with ransomware and that data was stolen from its network.

Internet

Facebook grapples with another global outage

Facebook on Friday said users around the world again had problems accessing its services for hours due to a tweak of its system, just days after a massive outage caused in a similar fashion.

Internet

Why did Facebook, Instagram and WhatsApp shut down?

Hundreds of millions of people were unable to access Facebook, Instagram and WhatsApp for more than six hours on Monday, underscoring the world's reliance on platforms owned by the Silicon Valley giant.

Computer Sciences

New modelling methodology for large-scale dynamic networks

Engineering systems, such as power grids and transportation systems, are becoming increasingly complex and encompass numerous sub-systems that are spatially interconnected. Modeling of these 'dynamic networks' is an important ...

Computer Sciences

Machine learning tool sorts the nuances of quantum data

An interdisciplinary team of Cornell and Harvard University researchers developed a machine learning tool to parse quantum matter and make crucial distinctions in the data, an approach that will help scientists unravel the ...

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