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We tried making a smoke vortex with a watermelon and box fans

The science pros at TKOR create a smoke vortex using a watermelon and box fans to visualize airflow.
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We upgraded our giant vortex cannon for bigger explosions

The science pros at TKOR upgrade their giant vortex cannon for stronger air blasts. Rock the Country festival: Artists dropping out amid Kid Rock controversy Whistleblower complaint addressed foreign ...