We all know the pain of buying ink cartridges. They are expensive – ridiculously expensive – $16 to $227, depending on the brand. In some cases, replacement cartridges seem as pricey as the actual ...

In a world where printer ink costs more than vintage champagne, finding ways to make your cartridges last longer isn't just ...

This research was funded by the Engineering and Physical Sciences Research Council (EP/N024818/1). The authors declare that they have no known competing financial interests or personal relationships ...