From: Hal Finney (hal@finney.org)
Date: Sat May 11 2002 - 10:48:23 MDT
Brian Phillips asks:
> I need a way to detect vertical (up and down
> motion or bobbing) on a human body that is moving
> horizontally.
Maybe you could put some flat surfaces, like shelves, just at eye level
around the area. Then the person could easily see when his eyes moved
above or below the surfaces.
Hal
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