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Indoor Skydiving You’ve probably seen places that offer indoor skydiving. How is this possible? Indoor skydiving uses a type of wind tunnel called a closed-loop wind tunnel. The tunnel is a vertical tube, and internal air powered by blowers circulates in a loop inside the tunnel. The force at which the blowers push air through the tunnel can be altered, so beginners can enjoy a fun experience, and professionals can perfect their best moves against powerful wind forces before they do the real thing. These tunnels work the same way as if a person were really skydiving. Creating a larger vertical surface of your body perpendicular to the air flow will decrease your velocity, whereas decreasing your surface area (such as a standing position on the floor of the tunnel) will increase your velocity.

Skydiving can be simulated on the ground using a closed-loop wind tunnel.

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