Fun with Vortex Rings in the Pool Create half-ring vortices in a pool by sliding a plate through water and adding food coloring to the ends. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Splitting 10 Decks of Playing Cards with Hydraulic Press Beautiful Chemical Reactions Footage Of Russian Experiment Shows Dog ‘Breathing’ Underwater Liquid Nitrogen in the face Which Caliber Can Bust Open a Lock? Watch What Happens When You Fire A Cannon Ball At 60 MPH Out Of A Truck Traveling 60 MPH