On GM's new Volt, a plug in electric car due in 10 years, small circular
> motors regulate a camera aperture type design to custom fit the hole for
> virtually any size cup. Tiny sensors feel the pressure as you pull on the
> cup and instantly open the aperture which cannot be damaged since it is
> fully expanded and out of the way when no cup is in place.
Verrrrrry innovative.
Multi-posting is frowned upon and I try to catch myself when I reply.