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Professor develops braille model to teach chemistry

Close-up of fingers reading braille, Hand of a blind person reading some braille text of a braille book.

New Delhi – A Jawaharlal Nehru University (JNU) professor has developed a Braille simple lock-and-key model to teach chemistry to students who are blind or have low vision, reports PTI.

The lock-and-key model for teaching chemistry was created using 3D printing technology with biodegradable polymers.

‘We have included both Braille and alphanumeric letters in our model. The model cards are like puzzle cards. We have six categories to represent various chemical notations,’ said Professor BS Balaji.

The models include letters (representing elements), numbers, arrows, signs (plus, minus etc.), superscript and subscript.

He said he was looking for support to implement the model on a large scale and will approach the National Council of Educational Research and Training (NCERT), NGOs and various state and central government entities.

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