this post was submitted on 22 Nov 2023
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u/catgirlishere....yup... i've heard of that one too...
Weird thing is that, I also heard that newer iphones can be unlocked with your face... it's called face id...
Then I got thinking... how does the iphone see your face???? hmmm
I've spent many nights losing sleep over it... can't get an answer ... nope didn't think on a google search on that one.. the internet is wrong and I don't trust it...
Maybe iphones have Lidar built into them?... or a wave-lenght-other-radar-type sensor... that constructs an image based on sonnar type signal bouncing of your face back to the phone and builds a face picture from that information???... still don't know...
man this is a mistery and I hope you find the answer to that question... and when you do, make sure you come back and let me know!
Update:
yes!!!!... iphones have a front face camera dating all the way since the iPhone 3g (that is the second gen iphone todate) ; )