Soon they or SELL computers that can translate perfectly from one language to another. In ten years, flights from New York to Tokyo or NOT TAKE more than two hours. Within 50 years, many people or LIVE on the moon. In less than a century, global warming MELT most of the polar ice caps and many coastal cities DISAPPEAR. By the middle of the twenty-first century, scientists DISCOVER a way to prevent aging. Maybe in the future, scientists FIND a way for us to transmit our thoughts to one another.