Technology 27 May 2020 By Donna Lu An ultrasonic device could help people with visual impairments access private data in publicHaptic device being used at an ATM People who are blind can read Braille in mid-air using their hands thanks to a grid of speakers that emit ultrasound waves. The device creates points in the…
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Taking care of your heart can feel like a tomorrow problem. After all, strain on the organ often piles up stealthily, plaque building in your arteries or blood pressure ticking upward for years without noticeable symptoms—that is, until a serious issue strikes, and you wish you intervened yesterday. It’s the reason cardiologists suggest auditing your