- Researchers at Bayreuth University, Germany, are working on a speaker system that uses acoustic force and ultrasound to recreate traditional braille writing in midair. The system known as HaptiRead comes at a very poignant time as people are worried about touching surfaces during this coronavirus pandemic. The technology could be built into displays such as ATMs, and is powerful enough to be felt on the user’s hand up to 70cm away. Read more in the academic paper.
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