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Hitting home


According to the UN, a person goes blind every five seconds.

Suddenly the outside world becomes a maze. For decades support has come in the form of white canes and/or guide dogs.

Now start-ups are putting their money on advanced technologies.

One company from Texas has fused radar, lidar and ultrasound in a 230g sensor that is attached to the upper body.

Meanwhile in Toronto cane and dog are complemented by a small chargeable ultrasound sensor.

In both cases obstacles such as walls, steps or uneven pavements are captured by the sensors and translated into vibrations.

This haptic feedback supports those with visual impairments as they venture outside their own four walls.


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