But unlike other ballpoint pens, FriXion pens are refillable. Ink refills are sold separately, and swapping out the ink is fast and easy. I like that I don’t have to chuck the whole pen in the ...

How do you fit double the ink into the refill of a ballpen? By twisting the tube into a spiral, that’s how. Called the T&T Pen-Ink Chamber, the helical coil fits into any regular pen barrel and ...

If your pens are always breaking, disappearing, and running out of ink, it's probably best that you don't invest in expensive, refillable ones. Luckily, these Zebra pens break down to about 58 ...

Pilot’s Precise V5 and V7 pens have a refillable cousin in Europe. Why not here? Pens are gadgets ... so I don’t tend to smear ink when I write — but I have absolutely spilled water on my ...

First, there was quill and ink. Then the fountain pen, followed by the ballpoint pen. Now, we can add something new to the history books: the compostable pen. [Photo: courtesy CRA-Carlo Ratti ...