Japan has set a new internet data transfer speed record of 319Tb/s just under a year after setting the previous bar.

Last year, Japan and the UK collaborated to achieve an internet speed record of 178Tb/s. That was an incredible feat, but the new record set by Japan’s National Institute of Information and Communication Technology (NIST) is simply astounding.

The 319Tb/s speed was achieved with a four-core fibre optic cable that remained around the size of a single. A...