The heart is directly connected to the brain, gut and nervous system through the vagus nerve. The heart and gut contain neurons just like your brain does. Each part emits electromagnetic energy. All of these attributes could be data mined for surveillance purposes.
The heart is directly connected to the brain, gut and nervous system through the vagus nerve. The heart and gut contain neurons just like your brain does. Each part emits electromagnetic energy. All of these attributes could be data mined for surveillance purposes.
Except for the fact that EM waves are notoriously bad at traveling through water. A human is approximately a sack of water.