A pen that can use any liquid as ink - such as wine and juice - has been revealed. Called the Winkpen, the reusable device can suck up liquids and write on paper without the need for regular ink. It ...
Do you keep a bunch of dried out Sharpies wasting space in your pen holder? DIY blog The Art of Doing Stuff suggests you can often revive a permanent marker by soaking it in rubbing alcohol. All you ...