EPFL researchers have found a way around what was considered a fundamental limitation of physics for over 100 years. They were able to conceive resonant systems that can store electromagnetic waves over a long period of time while maintaining a broad bandwidth. (link)
A 100-year-old physics problem has been solved at EPFL
![](http://www.boydnlo.ca/wp-content/uploads/2018/02/boydnews2-1024x786.jpg)