2050 is still decades away, but what might the world be like in that year? What new technology will be available? Will robots be commonplace? Will space tourism thrive? "Xploration Earth 2050" investigates some of the questions. The host speaks with entrepreneurs whose businesses focus on futuristic ideas and products in automotive technology, consumer electronics and health care. Scientists, doctors and science-fiction writers also explore the questions posed. The show also looks at older sci-fi movies to see how many proposed ideas have come to fruition.