Tulsa police are investigating a recent rash of check frauds where the person writing the checks, used disappearing ink. The News On 6's crime reporter Lori Fullbright reports one business is making ...

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 ...

CAIRO (AP) — Rumor had it a devious conspiracy was afoot: Egyptians voting for a new president Saturday were being tricked into using pens with disappearing ink so their choice on the ballot would ...

As the ruling United Russia party celebrates victory in parliamentary elections, evidence of a whole range of scams and schemes have been caught on video that could have been used to rig the results.

Some of the best inventions actually started out as accidents, and such is the case with the world’s first “Chia Pet” pen. Its creators were trying to create an eco-friendly alternative to printer ink ...

Rumor had it a devious conspiracy was afoot: Egyptians voting for a new president Saturday were being tricked into using pens with disappearing ink so their choice on the ballot would vanish before it ...