The 17-Year-Old Who Makes Walking Safer

Mary Hood was worried that her 85-year-old grandmother, who walks with a cane, could fall and get hurt. So she developed a smart cane that vibrates in its users’ hands when it detects obstacles. Other functions include a flashlight, pulse monitor, and smartphone-connected medication reminder. “What’s so cool about our generation,” she says, “is that we can start using technology to revolutionize these very basic necessities of life.”

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