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For many times, its difficult for the blind people to distinguish between male and female toilets, so they will try to avoid going to public toilets. and it has caused much inconvenience for them.
This design is based on the theory of homopolar repulsion and heteropole attraction, to inlay a magnet into walking sticks. The blind can therefore distinguish the toilets according to the response of their walking sticks. If the magnetic poles match, there will be a leading force, otherwise there will be a rejecting force, thus to solve their problems of going to public toilets.
Zhejiang Sci-tech University
Zhejiang Sci-Tech University
Xiaoneng Jin Xi Wang