There’s nothing specific on the horizon, but the way things are going, what with all the domes and mirrored domes and Buckminster Fuller and movies and all around here…
I mean, you never really know–and by you, I obviously mean me–so I thought I’d just go ahead and put this link to Paul Bourke’s patented system for projecting onto a dome using a spherical mirror, which he developed in 2003.
Actually, it seems to use a hemispherical mirror, and there are apparently inflatable domes for all your portable indoor planetarium needs–according to the FAQ, a 3m inflatable dome is ideal for half a dozen adults or a dozen children–and seamless works better than paneled.
Another note to self: I don’t care what they call them in Wollongong, but I will not be calling them Sphemirs. And probably not Mirrordomes, though that is much better.
Dome projection using a spherical mirror
Variously referred to as “sphemir” or “mirrordome”,
Conceived by the author in 2003 [uwa.edu.au via city of sound]
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the making of, by greg allen