Hey Ray: Erasable pens and reappearing images 02:44 (Photo Credit: KDKA) . PITTSBURGH (KDKA) -- Some things are very sensitive when it comes to temperatures, and we are going to do an experiment ...

Unlike erasable pens of the past that, like tattoo removal, never seemed to make ink completely disappear, FriXion Ball uses a heat-sensitive ink that rubs away without a trace.

The erasable pens I remember using when I was in high school in the late 2000s were laughably bad. They required a lot of pressure to transfer ink to paper, and even then, the ink came out faded ...

Pilot’s Frixion series of groundbreaking erasable-ink pens became international bestsellers following their launch in 2006. Frixion products have now sold a total of 1.5 billion units worldwide.

TOKYO -- Japanese stationery maker Pilot's Frixion Ball erasable ink pen has come a long way since it debuted about a decade ago, becoming a huge hit with people who, well, make mistakes. But what ...

SHIKOKU-CHUO, Ehime Prefecture--A flash of inspiration struck professor Hiromi Uchimura about eight years ago as he looked at a popular erasable pen. "Paper equipped with a timer feature could be ...