Introducing the Ion Exchange Bead Pen: A Revolutionary Writing Tool
This week, researchers announced an exciting new technology that could revolutionize the way we write and erase: the ion exchange bead pen. This innovative pen uses polymer beads instead of traditional ink or graphite, which can be easily switched back and forth between two different colors. With this pen, you can write, erase, and rewrite without any smudging or smearing like you would with traditional ink and paper. Plus, the beads are reusable, so you can write over and over again without having to buy a new pen or refill. This is an incredible breakthrough and could make writing and editing much easier and faster!
source: Phys.org