Which erasable pens are best? Erasable pens exist for those who desire to be able to fix a mistake without having to use pencil lead as a means of stationery. Erasable pens make it possible for users ...

PITTSBURGH (KDKA) -- Some things are very sensitive when it comes to temperatures, and we are going to do an experiment that uses a temperature sensitive ink. "Temperature sensitivity" means that the ...

Societe BIC has been granted a patent for a thermochromic ink writing instrument. The instrument features a body with a writing tip and an eraser, both fed with thermochromic ink. The eraser is ...