1.   Size Markers are drawn on the gel using radioactive ink.

2.   They use ink as opposed to the plastic toner used by lasers.

3.   Given two graphics that display identical information, the better graphic uses less ink.

4.   First, do not use ink when you put their addresses in your address book.

5.   He used ink, a needle and thread on his forearm.

6.   He uses ink processed from samples of human hair gathered from around the world, finessing the notion that cultural traditions are an exclusive product of racial DNA.

7.   Higher-value bills will have a watermark and may use ink that changes colors at different angles.

8.   His intelligent ink could be used to build blood analyzers that would be inexpensive enough for home use, he added.

9.   How did author J.K. Rowling manage to use ink on a printed page to defeat the pull of modern electronic wizardry?

10.   In some cases, labels that are stamped use ink that smudges or that is applied in hard-to-read laces on the box or bag.