Finally, I slide to a stop and am still. A few rocks skitter to rest, echoing against their brothers. I am in an underground amphitheater—dead silent, dead black. On undercharged motors, I lift my battered frame to a sitting position. My legs are not sending back sensory information. Locomotion abilities are diminished. /> My sonar probes whisper into the emptiness. Snick. Snick. Snick. The sensor returns green shades of nothing. I can feel that the ground is warm. Maxprob indicates that Archos has a built-in geothermal power source. Unfortunate. I was hoping the severed umbilical cord above would have left the machine on backup power. My life horizon is constricting second by second. Now there is a flicker of light in the darkness—a hummingbird’s flutter of sound. A lone ray of w

