what is it that makes these felt tip pens so revolutionary? The dual-nib markers which come in a variety of sizes house a reservoir of high-quality alcohol-based ink that neither streaks nor ...

If the dot itself is submerged in the water, then the ink will run and it will hamper your results. We use felt-tip pens because they are water soluble and so will separate out in water.

In the late 1800s, glass pens were popular. The tip was cone shaped and fluted. As it was dipped into an ink well, it drew a large amount of ink up its surface. With a glass pen, one could write a ...