- Sir Roger Penrose demonstrates the extraordinary moiré patterns produced by overlaying and rotating two identical, repeating patterns. As the two patterns overlapped and rotated they interfere with each other to produce tertiary patterns.
- Palix Wildlife Area Unit (wdfw.wa.gov)
The Palix Unit, in Pacific County, is popular for hunting waterfowl and elk. This unit is best accessed by boat from the Palix River water access area. The property is maintained to protect estuarine function and values and to preserve hunting and fishing opportunities.