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retinal persistence
- Subject: [web-heads] retinal persistence
- From: "Tom Durkin" <tdurkin@xxxxxxx>
- Date: Fri, 3 Oct 2008 19:11:54 -0700
- Delivered-to: web-heads@cerias.purdue.edu
- Thread-index: AcklxpIsdxhp+3osTZmEWo9HAW4O2w==
how come
there are no pictures of the engine?