Apps that do this using your phone: https://play.google.com/store/apps/details?id=si.modula.android.instantheartrate&hl=en https://play.google.com/store/apps/de

Apps that do this using your phone: https://play.google.com/store/apps/details?id=si.modula.android.instantheartrate&hl=en https://play.google.com/store/apps/details?id=si.modula.andr... Similar: http://hackerne.ws/item?id=4062216 http://hackerne.ws/item?id=4062216 " Eulerian Video Magnification for Revealing Subtle Changes in the World (mit.edu) 555 points by clockwork_189 57 days ago | comments "