Also, I would like the title of the article to be changed. IMO, whatever achieved, according to the article, is not an invention. It is just another usage of a dynamo.
I agree, the title may be a little over the top. But, see the guy, he is a student living in a place where they do not have much facilities or exposure. They were cut-off from the world, with no lights etc. For most of us urban folks, it may just be another interesting thing, but for them, it could be a communication enabler!..