No one knows what the future holds. But we do know what problems we face today and therefore can work on making sure future generations don't have to struggle with the same hardships we did. To do so, scientists and engineers use the best of today's technology to solve problems that may persist into tomorrow. These problems can range from blindness to tooth decay; as well as from better roller coasters to cleaner cars. The following 15 gadgets and technologies will have, we think, a massive affect on the way we live our lives in the near future. 

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