Uuuummmmm exuse me WHAT?!
(media.greatawakening.win)
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So if you are kidnapped you can be forced to put your palm onto anything.
No need to force, the kidnappers will just cut your hand off.
I work for a company that makes these scanners. The first question in demos is always "what if they cut my hand off." The machine has to see flowing blood which is tricky with a chopped-off hand.
You can buy infra-red (IR) flashlights (torches) quite cheaply. Try in a dark room illuminating your body with the flashlight. You won't be able to see much but switch on your phone video camera. It's truly weird seeing your veins really stand out.
It has to see a pattern which it will assume is flowing blood. A pulsing light behind the dead hand might be enough. Until the attacks become valuable enough, we won't know how good that "detector" actually is.
or.. am I to believe they've gone to a morgue to test this?
In a word, yes. They had to test with dead hands as well as live. I know it's hard to believe they would go that far for some stupid shopping application, but historically we've only ever sold them into super high-security access projects. It's only recently people have started to use palm scanners for more mundane stuff.
LOL there have been stories about cutting off the finger needed to open a secure site!
Some sensors supposedly know if the body part is still alive, but the perps know that too, and keep the appendage in the proper storage environment.