Researchers can use the size of your heart to unlock a PC

Researchers can use the size of your heart to unlock a PC

As your heart doesn’t change throughout your adult life outside of extreme situations (such as heart disease), it’s as surefire as any other biometric sign-in method but works passively. It could even work at long distances, too. The team envisions airports using this to authenticate people up to 98 feet away, which is slightly creepy …