It takes very little to successfully disguise yourself
A new study finds even simple, easy, appearance alterations fool people
- We're not as good at facial recognition as you might think.
- Who needs Mission Impossible latex masks?
- You can change your hair or make up and pass for someone else.
Maybe Lois Lane wasn't so stupid after all. A brilliant reporter, yes, but of all the implausibilities of the Superman story, her inability to tell that Clark Kent and Superman were the same person thanks to a pair of glasses strained credulity. Now, though, a study's been published in APA PsycNET that shows it's amazingly easy to hide one's identity with even the simplest of disguises.
(Noyes, et al/Big Think)
Cognitive psychologist Eilidh Noyes of University of Huddersfield in the UK co-authored the study with Rob Jenkins of the University of York. They recruited 26 models who were photographed three times:
- As themselves
- In a self-designed disguise meant to change their appearance — the study referred to the goal of these disguises as "evasion."
- Posing as another one of the volunteers, these were "impersonation" disguises.
The means participants were provided to change their appearances were hardly very clever: They could change their hairstyle and/or makeup, or add or remove facial hair. They were not allowed to change their look with articles of clothing likes hats, scarves, or any other garb that wouldn't be allowed in a passport picture.
Noyes tells University of Huddersfield News, "Our models used inexpensive simple disguises and there were no make-up artists involved. If people want to, it's very easy to change their appearance."
Other study participants were then asked to identify the person in each photo. For the evasion images, 30% of them got it wrong, even when they knew they were looking at people who might be in disguise. The impersonation pix weren't as successful at fooling people.
At the conclusion of the study, all of the images were collected into a database called "FAÇADE" that's being offered to programmers and researchers developing facial recognition software.
“You look familiar.”
(ALBERTO PIZZOLI/AFP/Getty Images)
Apparently, the researchers have documented something criminals already know. Alleged murderer Cesare Battisti successfully evaded capture for 37 years
Using simple disguises and hiding often in plain sight. He was finally captured this year. Brazilian police published a rogue's gallery of his likely appearance prior to his arrest. (The third one in the top row was closest to his appearance at the time of arrest.)
About our intrepid Daily Planet reporter, however: Apparently participants who knew the subjects were less likely to be fooled, so she's not quite off the hook.
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It's one of the most consistent patterns in the unviverse. What causes it?
- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
- Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
- Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.
It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.
In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.
Image from the study.
As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.
Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.
"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.
It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.
Image by authors of the study.
Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.
The study's authors will keep working on this in the meantime.
“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."
Do you have a magnetic compass in your head?
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