The future of technology always finds some unexpected way to be terrifying. Our ancestors probably assumed lifelong protection from the chickenpox would come with a lot less arm stabbing. When envisioning the future of personal transportation, nobody thought we'd be gliding around on something as profoundly goofy as the Segway.

We asked you to show us the unexpected downsides of scientific advances we've been waiting on for years. The winners are below, but first the runners up ...

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