Photo from Eggers Hail Cannons.
This weekend we went to the Roero wine area and after a loooong lunch we sat with friends outside and looked fearfully at the looming, darker growing clouds.The Mysterious Air Cannons of Roero (solved)
When suddenly we heard a loud boom in the distance. Followed by more booms closer by … and within minutes it sounded like we were in the middle of a WW1 battlefield. Listen to the sound (while enjoying the lovely hill side panorama) in the ... video.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.