Chip can transmit all of the internet’s traffic every second

Splitting data into a spectrum of colour packets has enabled a single computer chip to transmit a record 1.84 petabits of data per second via a fibre-optic cable Technology 20 October 2022 By Matthew Sparkes Much more data could be sent through fibre-optic cables if it were split into different packets within each strand Shutterstock/asharkyu … Read more

Fibre-optic cables could be used to spy on people a kilometre away

A device can eavesdrop on someone talking near a fibre-optic cable, even if there is a large distance between them Technology 27 July 2022 By Karmela Padavic-Callaghan Fibre-optic cables use light to transmit data Russell Kord/Alamy Fibre-optic cables, such as those used in internet infrastructure, could be used for eavesdropping. A device that can pick … Read more

Quantum data link established between two distant Chinese cities

By Matthew Sparkes Fibre-optic cable carried quantum encrypted data between two distant cities KTSDESIGN/Getty Images/Science Photo Library RF A secure quantum link has been created over a distance of 511 kilometres between two Chinese cities by using a relay in the middle that doesn’t have to be trusted. This could help extend secure quantum networks. … Read more