👉 Watch the video of Sarah’s school science experiment above! Hello parents, teachers and students! Today’s experiment is all about potential and kinetic energy. Be sure to check out GMSA@9 on ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

There must be a lot of people who have memories of origami making "paper airplanes" when they were children, but there should not be too many people who further entered the world of competition from ...