Is this water "falling up"? This video explains the illusion behind the stroboscopic effect and how it can make water drops look like they are falling up or even hovering in mid-air. Check out the Science Buddies website for written instructions: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Phys_p017/physics/stroboscopic-effect-levitating-water-drops