How 3-D printed arms are changing kids’ lives around the world This revolutionary new technology is changing the world for kids born without limbs. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Why It’s Almost Impossible to Kick a 90-Yard Field Goal Since Mass Exists, Can There Be Negative Mass? Tiny Crystals In Our Brain Could Unlock Psychic Powers Boomerang In Zero Gravity Is there a limit to technological progress? Why has it been so hot??