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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Elissa Sanci Elissa Sanci is a senior writer who has reported on label makers, ...

Yes, it’s great that your office put a blue bin next to the copy machine so unwanted print outs don’t end up in the trash. But recycling paper still takes its toll on the environment, so researchers ...

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 ...