Internet speed record of 420,000,000 Mbps achieved using standard optic fibre cabling, fast enough to download Baldur's Gate 3 in less than four milliseconds

Readers of a certain age may well remember when having a 56 kbps internet connection was considered fast. Then DSL came along and dial-up looked like a comatose snail in comparison. A team of engineers, though, have achieved a data transmission rate of 402 Tbps using standard fibre optic cables, so fast that you could download Baldur's Gate 3, Red Dead Redemption 2, and the entire Fallout 4 collection all in less than a tenth of a second.

The team in question is Japan's National Institute...