We rarely write anything longhand anymore, at least since spellcheck was invented. But for those of you who still do, the Inkless Pen features a metal alloy nib that will show up on printer or ...

Blackboard by Boogie Board is a $45 electronic writing tool featuring Liquid Crystal Paper that writes, edits and erases just like pencil on paper. It handles pressure sensitive pen strokes and writes ...

New developments for achieving structural coloring through plasma irradiation of graphite can reduce the reliance upon harmful color dyes. Colors achieved by plasma irradiation are completely erasable ...

Attach the ForeverPen to your keychain so you'll always be ready to jot down a note. Photo: Cult of Mac Deals Always fumbling about for a pen or pencil? What you need is an inkless pen that lasts ...

Classic graphite pencils can be used and transformed into colorful works using plasma irradiation, without a drop of colored ink used. New developments for achieving structural coloring through plasma ...