>>Actually any catadiopter (another official name from the OZBS - Basic Law on Traffic Security - that you have to learn when you get a driver's license) is colloquially called "cat's eye", regardless of its location. It can be on a car, bicycle, or sometimes even on the road, though I haven't seen too many of the last kind when I was home. Our roads have very little in terms of signalization, but that's compensated by the number of potholes.
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>they have some cats eyes round here that store daylight and light up at night. Looks neat when you see them behind you and they are lit up.

That's really cool. Actually, things like that, or teflon, or the steel scrubbers that clean up the frying pan but don't hurt the skin - that's more of a technological breakthrough for me, than any new version of Windows can ever be :).