![Tan Le: A headset that reads your brainwaves](https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/e5c3f9e05599722d98c43622d6c345076d556a97_1600x1200.jpg?h=200)
Tan Le's astonishing new computer interface reads its user's brainwaves, making it possible to control virtual objects, and even physical electronics, with mere thoughts (and a little concentration). She demos the headset, and talks about its far-reaching applications.