Posts by Christian Heinrich

In the Middle Ages, many things were dirtier than they are today. Yet, at the same time, surprisingly little was thrown away. Why packaging was considered a possession back then, how paper was made from old rags – and what we can learn from this today.

Why do we still mark our ballots on paper? Because paper ballots are visible, verifiable and can be recounted. They create something that digital systems find difficult to guarantee, but which is needed now more than ever: democratic trust.

A book can be more than just printed paper between two covers. Some books have a distinctive scent, unfold whole worlds, play with typography, make characters leap off the page or come to life via an app. Seven examples show just how surprising, sensory and experimental the medium of the book can be.

Recycled paper, buying fewer new items, better lists of materials: five tips for a sustainable start to the new school year.

Why is DIN A4 actually 21 by 29.7 centimetres? Behind these odd dimensions lies a surprisingly clever system combining mathematics, practicality and standardisation.