Comment on Humans can be tracked with unique 'fingerprint' based on how their bodies block Wi-Fi signals
nutsack@lemmy.dbzer0.com 1 week ago
you can also take a picture of a person with a camera that senses light beams
Comment on Humans can be tracked with unique 'fingerprint' based on how their bodies block Wi-Fi signals
nutsack@lemmy.dbzer0.com 1 week ago
you can also take a picture of a person with a camera that senses light beams
Krudler@lemmy.world 1 week ago
The lack of awareness of the most primitive of physics concepts, the transmission/absorption/reflection of energy, is completely unknown to most people.