One eye shut makes a line a lie. A line is a breadthless length, an infinity of points in one dimension. The ray is half a line, a lit-up lie, a wave or a particle made real by the machine of the eye. ODC's powerhouse dancing shows bodies at their limits, as the contemporary dance company tackles mathematics and more in its hourlong Summer Sampler. The program features the world premiere of resident choreographer Kimi Okada's Two If by Sea, a piece that investigates the subtle signals we use to communicate with each other; New York choreographer Kate Weare's The Light Has Not the Arms to Carry Us; and Triangulating Euclid, a collaborative work by Weare, K.T. Nelson, and ODC founder Brenda Way that explores Euclidean geometry and the human relationships created by lines, angles, and multiplanar space.