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Only once in a lifetime will a new invention come about to touch every aspect of our lives. Such a device that changes the way we work, live, and play is a special one, indeed. A machine that has done all this and more now exists in nearly every business in the U.S. and one out of every two households (Hall, 156). This incredible invention is the computer. The electronic computer has been around for over a half-century, but its ancestors have been around for 2000 years. However, only in the last 40 years has it changed the American society. From the first wooden abacus to the latest high-speed microprocessor, the computer has changed nearly every aspect of people’s lives for the better.
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One hundred years from now, NASA’s space program will not be so far advanced that people will be able to beam around the Universe or travel through time. However, unless something goes terribly wrong with the world, it is expected to advance tremendously. New, high-tech designs for rockets will make them more environmentally safe. Rockets will also be recycled and reused. Systems retrieving parts of rockets that are today, left behind in space, will be created. Astronauts will be well on their way to exploring Mars from a hands-on perspective. Because of the overpopulated Earth, scientists may even be considering ways to alter life on Mars, so that people would be able to live there some day.
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