At its most basic, a pen has to do just one thing, but there are so many reasons to choose one over another. Does it glide along the page, or does it drag? Does the ink flow in a smooth line, or is it ...

When you think of ballpoint pens, your mind probably goes to office supplies, not great works of art. But even the lowliest and most ubiquitous of writing utensils can make breathtaking masterpieces ...