Introduction

Sun cannons have been around since the 16 hundreds. They were used on ships to fire at almost exactly 12 p m so everyone on board would know what time it was. The sun canon in otilaba has its own tower, and it looks like a 15 foot tall version of a rook. It's round, made out of brick, and there's a long, narrow slot carved into the south facing side. We'll see it in person and learn how it works.