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.
Pop singer Katy Perry has made a big impact on the music scene in the few years she has been around. In celebration of her 30th birthday on Saturday, join us for a look at her career so far.