“If the light is coming from the front, you won’t see the red in the ear.”īut Farid also has some more scientific tools at his disposal. “If the Sun is behind me, my ears will look red from the front because you’ll see the blood,” he says. If these properties of the light source are not consistent, then the photo may be a composite.”Īnother giveaway is the colour of people’s ears. “The location, size, and colour of this reflection tells us about the location, size, and colour of the light source. “If you have two people standing next to each other in a photograph, then we will often see the reflection of the light source (such as the Sun or a camera flash) in their eyes,” he explains. One trick he has picked up over time is to check the points of light in people’s eyes.
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