David Jefferis

Introduces the techniques, equipment, competitions, events, and champions of motocross.

An introduction to the past, present, and future of artificial intelligence and robotics, discussing early science fiction predictions, the dawn of AI, and today's use of robots in factories and space exploration.

After NASA put a man on the Moon, the space program switched gears and concentrated on other areas of exploration and research. What if we were to travel to the Moon today? Return to the Moon asks and answers many questions about future space travel to the Moon and its possible colonization.