rachel_armstrong Rachel Armstrongis professor of experimental architecture at Newcastle University in the UK. She is the author of Star Ark (2017), Vibrant Architecture(2015) and Living Architecture (2012). Technology & Innovation Let’s open our sealed-off lives to semi-permeable architecture Traditional buildings were designed to provide protection against a savage world. But the world has changed. We need to develop a more sustainable relationship with the environment, and semi-permeable architecture allows us to do that.