GETTING into bed I carefully put my glass of water on my table and then tuck my ‘supplies’ under my pillow. Only this isn’t a ...
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How to build a powerful air vortex smoke shooter device
The science experimenters at TKOR design a handheld air vortex device capable of shooting visible smoke rings with force.
The science experimenters at TKOR produce vividly colored smoke intended for high-visibility signaling and visual effects.
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