Most people would panic, and then a tiny handful would think up improbable workarounds. Trailer Invisibilia Season 6 Trailer Season 6 Trailer Listen · 1:39 1:39 Enlarge this image toggle caption Leonardo Santamaria for NPR Leonardo Santamaria for NPR You hear the train barreling towards you and you're tied to the tracks. Most people would panic, and then a tiny handful would think up improbable workarounds.