Although the distance is far from the longest, as a team of Japanese researchers have managed to transmit a 319 Terrabit per second datastream over a distance of 3,001 km (1,864 miles), although they used signal amplifiers every 70 km to reach this distance. This equates to more than the total volume of global internet traffic that's being sent every second, according to DTU. The team of researchers hit a data transmission speed of an insane 1.84 Petabits per second over a distance of 7.9 kilometres-or 4.9 miles if you like-using standard fibre optic lines. A team of researchers from the Technical University of Denmark (DTU) has managed to break the data transmission record by quite some margin, using something called a frequency comb, which is a photonics chip. Transmitting data over the internet is something that just happens for most of us, but the infrastructure that's powering the internet is full of bottlenecks and researchers around the world are testing new ways of being able to transmit more data using already installed fibre.
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