Exhibitions: Now, Op Is for Options

BRRRR! Reaching out to touch the frost-encrusted Ice Stick by Hans Haacke at the Milwaukee Art Center last week, visitors were expected to chill their fingers. All of the "Do Not Touch" signs in the gallery had been removed. OUCH! Gallerygoers could warm their fingers on three electrified aluminum columns that Sculptor John Goodyear calls Heat Sequence. And they could sit upon and be jiggled about by Royce Dendler's mechanized box titled Vibrate. By pressing buttons, they could activate David Jacobs' siren and two aluminum-and-rubber resonators, entitled collectively Mother's Mechanical Wonderful Wha, Wha!

Not only could they but did they....