Why does pen ink behave differently on various paper types even when the pen is exactly the same? Arts and Entertainment Why does pen ink behave differently on various paper types even when the pen is exactly the same? johncarter August 21, 2025 The phrase pen ink often evokes simple images of handwriting, calligraphy, or office stationery. However, its role... Read More Read more about Why does pen ink behave differently on various paper types even when the pen is exactly the same?