One Viewer Mapped His Heart Rate During the Climax of ‘Game of Thrones’ Season Three

Using an Arduino and PulseSensor, Marko Plahuta of Virostatiq recorded his heart rate during “The Rains of Castamere,” the ninth episode of season three of HBO’s Game of Thrones. He then overlayed frames of the episode with a graph of his heart rate.

image via Virostatiq

via Popular Science