Heart Size: Yet Another Biometric

Turns out that heart size doesn’t change throughout your adult life, and you can use low-level Doppler radar to scan the size — even at a distance — as a biometric.

Research paper (to be available soon).

*** This is a Security Bloggers Network syndicated blog from Schneier on Security authored by Bruce Schneier. Read the original post at: https://www.schneier.com/blog/archives/2017/11/heart_size_yet_.html