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 ...

(MENAFN- IANS) Mumbai, Jan 15 (IANS) Amid controversy over people allegedly wiping off the ink on their fingers immediately after casting votes, the Maharashtra State Election Commission (SEC) on ...

Societe BIC has patented a method for reusing notebooks using a thermochromic ink pen and a moisture carrier to erase markings. The innovative system allows for sustainable note-taking by easily ...

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, ...