What's In Your Cup? — defects
The thousands of miles long supply chain from grower to roaster has quality assurance at every step ensuring that when you open your little bag, you’ve got a homogenous, harmonious little family of happy beans, who you will, of course, ritualistically grind and drown. The process of sorting beans is a mix of purpose-built machinery and a lot of manual labor. Much of this sorting for quality and size is achieved by industrial air sorters and sieves but a lot of sorting for defects is still done by hand. Generally this involves workers lining up on either side of a...