The white stick gets a 21st century makeover: £30 smart cane uses SONAR and vibrations to help blind people 'see
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The white stick gets a 21st century makeover: £30 smart cane uses SONAR and vibrations to help blind people 'see
The white stick gets a 21st century makeover: £30 smart cane uses SONAR and vibrations to help blind people 'see
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The white stick gets a 21st century makeover: £30 smart cane uses
Sonar sticks use ultrasound to guide blind people
The white stick gets a 21st century makeover: £30 smart cane uses SONAR and vibrations to help blind people 'see