How a Swimming Pool Becomes a Wave Pool #WavePool #Engineering #HowItWorks #Science #learnontiktok

If you rock a big board back and forth at one end of a swimming pool, you have a wave pool. But the waves hit the wall at the other end and bounce straight back into the new ones, and the whole pool turns into a choppy mess. So you break out that wall and slope the floor up like a beach, so every wave runs up the slope and dies there. But a board only pushes the water near the top so the waves come out small and weak. So you build tall concrete boxes across the deep end, sealed at the top and open at the bottom under the water. A giant fan blows air into the boxes, the air shoves the water inside down and out the bottom and a big wave rolls out. This is a case on. Then a valve lets the air back out, the water rises inside again, and the fan pushes again. So a new wave rolls out every few seconds. And on the slope, each wave grows taller until the water is barely deeper than the wave is tall, and it tips over and breaks. And here is what nobody tells you. The waves don't carry the water to the beach. A floating ball just rides up and around in a circle when it stays where it is. A wave is a push passing through the water. But swimmers can't see the waves coming, so a horn blows before they start, and the machine stops every few minutes so everyone can rest. Out of lifeguard tower, lounge chairs, and inner tubes. Congratulations! You have built a wave for me.