Humans have burned incense since ancient times for reasons that range from the practical to the divine. To aid in these rites, various cultures have created exquisite censers and housings for the burning, smoke-emitting biotics. In this episode of Stuff to Blow Your Mind, Robert and Joe consider some outstanding examples from the history of incense, including the incense clocks of China and swinging thuribles of Catholic tradition.See omnystudio.com/listener for privacy information.