Wind Tunnel

engineering · flight · science

Controlled air stream. A wind tunnel uses a powerful fan to push air through a special tube at different speeds, from a gentle breeze all the way up to faster than sound.

Testing before flying. Engineers put planes, cars, and even tiny models inside wind tunnels to watch how air pushes and pulls on them before they ever leave the ground.

Building safety check. Architects test how strong winds affect tall buildings and bridges in wind tunnels to make sure they won't wobble or break in storms.

All different sizes. Wind tunnels can be as small as your hand or as huge as a school bus, and scientists pick the right size to test whatever they're studying.

Invisible forces visible. Smoke, dust, or dye in the air helps scientists see exactly how the wind flows around objects, showing them invisible patterns they can improve.