photo credit: James D. Schwartz
I’ve just watched a brilliant documentary called “Into Eternity”. It’s about the finnish nuclear waste repository Onkalo, and I am fascinated by the level of thinking required to design and build it. Onkalo is being designed to last 100,000 years, which is the length of time necessary for the nuclear waste to become harmless. Nothing man-made has ever been made to last such a long time. To get some perspective on what this means, the pyramids are only 5,000 years old. “Onkala” means “hiding place” …