Mathews suggests that if human exploration is not possible, robots could go where many people do not want to go and do what many do not want to do, not only on Earth, but also in space.
To minimize the cost, he suggests that the initial robots be manufactured on the moon to take advantage of the resources and the one-sixth gravity. He notes that we have the technology to create these exobots now, except for a compact power source. To create a network of autonomous robots capable of passing information to each other and back to earth, the vehicles must be able to identify their exact location and determine the time. With these two bits of knowledge, they should be able to determine where all the other robots near them are and target them with an infrared laser beam carrying data.
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