What do you think is the greatest invention of all time? Our world has benefited from many wonderful advancements in science and technology over the last 100 years. From cars, to television, to rockets, to cell phones etc., your life is much different than that of your ancestors.
Think of just one man made item that you think has had more of an impact on people throughout the world than any other. Explain why you feel that way. Be sure to include specific reasons and examples that defend your decision to pick this particular advancement as the greatest of all time.