Despite living in a digital world, it can feel more satisfying to put pen to paper ... ballpoint pen ink, but you may see success using rubbing alcohol to remove permanent marker ink.

Investigate a variety of black ink markers, and find out why they look black ... Different methods of chromatography use different materials (besides paper) to separate mixtures. Scientists can make ...

This led to many questions: What is the marker ink made of? Why does that marker ... on a surface of their choice (it could be a sheet of paper, a coffee cup or a pair of glasses, for example).

This led to many questions: what is the marker ink made of? Why does that marker ... on a surface of their choice (it could be a sheet of paper, a coffee cup or a pair of glasses, for example).

Researchers transformed red marker ink into graphene-based circuits using a laser, enabling low-cost, flexible electronics on everyday surfaces like paper or cups. (Nanowerk News) It is the first case ...

This led to many questions: what is the marker ink made of? Why does that marker work and others ... and trace the colour on a surface of their choice (it could be a sheet of paper, a coffee cup or a ...