An engineer in India is designing the world's first Braille smartphone. Take a look at how the prototype works.
Sumit Dagar, a 2011 TED fellow, is developing the world's first Braille smartphone.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Kevin C. Cox/Getty Images
With Katy Perry set to headline the halftime show at Super Bowl XLIX, check out who has performed at past Super Bowls.