The Ware Tetralogy
"How did you get here?"
The robot waved a hand palm up. Cobb liked the way the gesture looked on someone else. "I can't tell you," the machine said. "You know how most people feel about us."
Cobb chuckled his agreement. He should know. At first the public had been delighted that Cobb's moon-robots had evolved into intelligent boppers. That had been before Ralph Numbers had led the 2001 revolt. After the revolt, Cobb had been tried for treason. He focused back on the present.
"If you're a bopper, then how can you be... here?" Cobb waved his hand in a vague circle, taking in the hot sand and the setting sun. "It's too hot. All the boppers I know of are based on supercooled circuits. Do you have a refrigeration unit hidden in your stomach?"
Anderson2 made another familiar hand-gesture. "I'm not going to tell you yet, Cobb. Later you'