Dry-erase markers are one of the most essential tools of the classroom and office. While they’re incredibly useful, they’re also extremely fickle. Dry-erase markers always seem to dry out at the most ...

I keep doodling across a full page using old Copic markers until the ink completely runs out. The process takes days and ends with dozens of markers drying up while the artwork slowly comes together.

Nothing is meant to last forever and dried-out markers happen. While dead markers have a tendency to make themselves known at inopportune times, it's usually easy enough to grab a new one. But what if ...