technology for good

Filmmaker Nawneet Ranjan is using PCs and online tutorials to create a new generation of coders in India’s largest slum, Dharavi.

A unique suitcase-sized device that can detect human heartbeats and breathing patterns of survivors buried even 30 feet below crushed rock, is set to revolutionize search and rescue operations around the world. Here's all you need to know about it and its potential for India.