Indian girl invents device that can charge phone in 20 seconds

Or maybe not. Here are some previous submissions of the same story:

https://news.ycombinator.com/item?id=5730887 <- moderate discussion

https://news.ycombinator.com/item?id=5737910

https://news.ycombinator.com/item?id=5738327

https://news.ycombinator.com/item?id=5738595

https://news.ycombinator.com/item?id=5741949