Take, for example, the tale of two-year-old Emma, born with the congenital disorder arthrogryposis multiplex congenita (AMC).

ENGADGET: 3D printed 'Magic Arms' give a little girl use of her limbs

Malik was born with clubbed feet and a physical condition called Arthrogryposis Multiplex Congenitas, which means he has little muscle strength in his limbs.

CNN: STORY HIGHLIGHTS