Bonus for visually impaired: Cheap tactile graphics
NEW DELHI: Collaborative research by the Indian Institute of Technology, Delhi, and Indiana University of the US has helped develop cost-effective designs for tactile graphics. The research, conducted over three years, will help improve the life of visually impaired people. Tactile graphics, which are also known as raised line drawings, are a means of conveying non-textual information to people who are blind or visually impaired, and may include representations of pictures, maps, graphs and other images.

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