Most of the work in this show, Tatsuo Miyajima’s first solo exhibition in a US museum, consisted of the artist’s signature arrays of LED counting devices installed in unlit galleries. In Double Spiral, 1992, these “gadgets,” as the artist refers to them, are arranged in two helical lines, one green, the other red, wrapped around black columns. One turns left, the other right, as they rise up the column. The devices are set to count from 1 to 99 at various paces; when the sequence reaches 99, the counter goes dark for one beat before the sequence begins again. This periodic darkening of individual