Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. A young woman pushes a balled-up piece of napkin into a cup of Jell-O, asking the viewer to imagine that it is an airplane, high in the air. “That is you flying through the sky,” she tells the camera. “There’s pressure from the bottom, pressure from the top, from the sides, pressure coming from everywhere.” She taps the top of the Jell-O, making the suspended napkin ball quiver. “This is what happens when there’s turbulence,” she says. “You feel the plane shaking, but [it] is not just going to fall down.” The video is by Australian TikToker Anna Paul. Just days after she uploaded it in June 2022, it had accumulated more than 15 million views and thousands of comments from people saying it had cured their fear of flying. Paul says she got the tip “from a real pilot.” But how accurate is the analogy? Is turbulence really like Jell-O? The origins of the Jell-O analogy The Jell-O …