ballpoint versus rollerball

[brainstrust]

Can someone tell me the difference between the two? :B

[China]

Roller ball uses a thinner or more liquid ink to give a smoother feel

[Gabriel]

Rollerballs need to have a cap kept on them also otherwise they will dry out, ballpoint won't dry out in the same way.

[Treecycle]

This (https://blog.milligram.com/ballpoint-vs-rollerball-pens/) gives a pretty good explanation