Researchers at the University of Michigan have developed a kind of electronic “invisible ink” that can help alert users to any unauthorized tampering with a device. When the chip is exposed to light ...

Removing a tattoo isn’t always quick and easy, but a new laser treatment is promising results with fewer treatments. 7’s Diana Diaz shows us a breakthrough way to erase the ink. WSVN — For Suzy ...

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 ...