Austin middle schoolers engineer tool for visually impaired

AUSTIN (KXAN) — What started off as a middle school science project could soon make a major impact helping those who are visually impaired.Two 8th-graders at the Harmony School of Endeavor have engineered a ‘smart cane’ with sonar sensors that detect obstacles up to five feet away.Ahyan Hassan and Hasan Rizvi call it their Pathfinder Project.Not only did they win the middle school division on their own campus, but they also finished first at the Austin Energy Regional Science F