SMO 21: Cosmic Con will be held on Feb. 1 from 6:30-10 p.m. Science Museum Oklahoma SMO 21 is just for adults 21-plus and will include a cash bar, just-for-adults themed activities and experiences, access to the museum's permanent exhibits and the museum's cafe. Tickets are $21 in advance or $25 day-of. Visit ScienceMuseumOK.org/smo21.