Big numbers go over our heads. So here's some perspective:
"the research team led by Dr. Lidia Galdino (UCL Electronic & Electrical Engineering), achieved a data transmission rate of 178 terabits a second (178,000,000 megabits a second) – a speed at which it would be possible to download the entire Netflix library in less than a second."
https://scitechdaily.com/new-internet-speed-world-record-178-terabits-a-second/