b'Material science allows us to understand the objects around us mathematically, but there is no formula to describe the sophistication of a handcrafted teacup. Dr Anna Ploszajski is a materials scientist who has travelled all over the UK, meeting makers to better understand her craft and theirs. She spoke to Shivani Dave about what she discovered and documented in her new book, Handmade.. Help support our independent journalism at theguardian.com/sciencepod'