Soon, your body will be the only password you need (DVice)
Tiny little computers and sensors are in development all across the globe. And while their development is primarily geared toward a better understanding of our health, there's another emerging application for their use — biometric security, where your voice and skin and eyeballs are more secure than any password could ever be.
On the one hand, this can sound crazy and too fictitious to be true, especially since it's been a staple for just about every single sci-fi movie and TV show ever. On the other, we've basically already accepted the use of our bodies as sources of information and security.