For another perspective on that size, it's a mirror between 4 and 5 times your height, to a fault tolerance of less than 200 hydrogen atoms (or about 60 SiO2 mo

For another perspective on that size, it's a mirror between 4 and 5 times your height, to a fault tolerance of less than 200 hydrogen atoms (or about 60 SiO2 molecules., if I have my calculations right)