Author: arthur clarke
Content introduction:
The mysterious black slate opened the prehistoric human civilization on the earth. Three million years later, humans found the same slate on the moon, and the slate immediately sent an electromagnetic signal to Saturn. The United States launched the Discovery spacecraft to explore Saturn to find out the truth. Hal, the supercomputer of the spacecraft, went crazy, killed three hibernating astronauts and turned Frank Poole into a space drifter. Only David Bowman escaped. Bowman, who survived, arrived at Saturn alone and found another larger black slate. ...