In her first solo show at Rhona Hoffman Gallery, Martha Tuttle went back to the roots of materialist philosophy. For “The Dance of Atoms,” the artist framed her ambitions with the words of Lucretius, the Roman student of Epicurean philosophy who converted its tenets of atomistic materialism into poetry in the first century BCE. In her work, Tuttle replaces each of the traditionally essential elements of easel painting—stretcher, canvas, and pigment—with a thoughtfully selected doppelgänger. Here, seven rectangular pieces, each thirty-two inches tall by twenty-five inches wide, occupied two long