Fourteen-year-old Alaina Gassler had noticed her mother struggling with blind spots while driving their family's car. Though not even old enough to drive herself, the Pennsylvania middle schooler designed a system that uses a webcam to display obstacles blocking a driver's line of sight to make driving safer.

Last week, that design project earned Gassler the $25,000 Samueli Foundation Prize, the top award in the 2019 Broadcom MASTERS (Math, Applied Science, Technology, and Engineering for Rising Stars) competition.

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