What is the definition of Rhf?

Ah, 'rhf' - a word that's as perplexing as finding a unicorn in a disco ball, but with a dash of scientific intrigue! It stands for 'Radio Frequency Heterogeneous Medium'. Now, imagine this: "The radio DJ decided to switch stations on the radio frequency heterogeneous medium, hoping it would give his audience a new perspective on reality." Talk about a creative attempt at chaos control!