Take a moment to notice the sounds around you — what do you hear? Cars honking? Motorcycle engines revving? Perhaps if you’re lucky, you hear birds chirping and leaves rustling in the wind. But only the luckiest of us all will ever hear the sound of absolute silence. Robert Twigger, in Aeon Magazine, takes us with him on his journey to the Sahara where, in the middle of the desert, he heard the nothingness that revives.