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"When we drive, we get into a glass bubble, lock the doors and press the accelerator, relying on our eyes to guide us - even though we can only see the few cars ahead of and behind us. But what if cars could share data with each other about their position and velocity, and use predictive models to calculate the safest routes for everyone on the road? Jennifer Healey imagines a world without accidents. (Filmed at TED@Intel.)"

"When doctors told Amanda Boxtel in the early 1990s that she'd never walk again, they had probably never dreamed of 3-D printing. Now, the woman who was paralyzed from the waist down in a 1992 skiing accident is defying that prediction with the help of a 3D-printed exoskeleton,"