When Rachel Díaz of Culver City, California, “magically” refilled a soda can for her son, the nine-year-old’s first words were “Cool!” And then: “How’d you do that?” Science-based magic tricks stand ...

A simple illusion that makes a bottle appear to float with just one finger. This visual trick is great for performances and social media. No edits, only creative technique. January polar vortex ...