A broadband tunnel
Media playback is unsupported on your device
Video

Is Wi-FM the solution to slow wi-fi?

Researchers at Northwestern University have been working on using Radio Digital Signals (RDS) to improve wi-fi connections.

In this method, data is sent at the best time, potentially making signals much faster even in busy locations.

BBC Click's Vieri Capretta spoke to Aleksandar Kuzmanovic of the McCormick School of Engineering at Northwestern University about the results of their experiments.

More at BBC.com/Click and @BBCClick.

Go to next video: The piano with hammers but no strings