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

June 20, 2014 2:38 PM

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In the 1930s, countries around the world began to introduce white canes, which both helped blind people ‘feel’ the ground in front of them and made them more visible.

The invaluable tool has barely been innovated since, but now several companies have developed technologies that help the cane ‘sense’ objects nearby.

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