Shree K. Nayar, the T.C Chang has invented the world’s first fully self-powered video camera Computer scientist Shree K. Nayar, the T.C Chang Professor of Computer Science at Columbia Engineering, has invented the world’s first fully self-powered video camera that can produce an image each second, indefinitely, April 16, 2015 Business/Channel/IT Magazine/Magazine Advertisement india/New Feature/News/price and specification/Product Launch/Social Media/Technology News