Egg drop competitions are a staple of high school and college physics classes. The goal is for students to build a device using bubble wrap, straws, or various other materials designed to hold an egg ...

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 ...