These are the loudest GIFs on the Internet. Found on popular sites like Reddit, the following noisy GIF images make no actual sound but seem like there is. We dare you to look at these images without hearing various noises like "Boom," "Pow," "Crash," and "Hi-Yah! Some of these noisy GIFs take you right in the middle of the action, from a semi barreling down the highway and hitting car, to the loud roars of a space shuttle just seconds before lift-off. There are also animated image files below that contain captions that bring the GIF to life.

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Can you hear it?
Short looping images called animated GIFs seem to be everywhere on the internet, flickering as ads or serving as social media reactions. Though all GIFs are silent, that doesn't stop some people from hearing them. The illusion strikes some people when they see certain moving images, Firth explains. In the non-digital world, there is enough noise accompanying visual stimuli that it can be difficult to figure out when a sound that shouldn't be there is heard. But when GIFs make noise in the slightly more controlled realm of computer-mediated interactions, people started noticing. As the central pylon leaps over the swinging power lines of the two outer pylons, the landscape judders — just as one would expect if a large, metal tower was capable of jumping and landing nearby.
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If you hear a loud boom each time the tower lands, you're not alone — but there isn't actually any sound accompanying the GIF. The animated image, which has been making the rounds on Twitter recently, was created 10 years ago by HappyToast. The GIF shows three towers playing jump rope — the power lines spin around as the middle tower jumps over them. Each time it lands, the entire image shakes as though the tower were crashing down onto the ground. And even though the image is silent, many people report hearing a loud boom each time the legs of the tower land on the ground. The GIF was tweeted out on Dec. In a follow-up tweet, DeBruine added a poll asking her followers what they could hear. The condition causes different senses to be "mixed. But another form of synesthesia, "hearing-motion" synesthesia, could explain "hearing" the GIF, several experts told Live Science. The GIF seems to be causing some kind of "cross-modality cognitive effect," meaning that people's brains are internally combining vision with the perception of sound, said James Simmons, a neuroscientist at Brown University who studies bat echolocation.
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