Researchers in the UK have figured out in the last few weeks how to increase the speed of the Internet by 1.2 million times using the existing infrastructure most first-world countries are already using. They recorded speeds of 301 Tbps.

The implications of this are astounding and makes me wonder what other great vastly under-utilized technologies lay dormant in our day to day lives.

https://www.popsci.com/technology/fiber-optic-wavelength-record/