MICRON
| Date | Clue |
|---|---|
| 2024-04-26 | One-millionth of a meter |
| 2017-03-30 | *Onetime White House nickname |
| 2016-05-31 | One-millionth of a meter |
| 2009-08-01 | Distance light travels in 3.3 femtoseconds |
| 2007-05-22 | Teeny-tiny distance |
| 2003-01-25 | Minuscule unit |
| 1996-05-12 | One-millionth of a meter |
| 1994-10-10 | One-millionth of a meter |