Roberta Baxter – författare

Europe is a marvelous continent, made up of about fifty countries. But did you know that the smallest country in the world—Vatican City—is in Europe? Or that Europe is the only continent with no large deserts? Learn more about the diverse continent of Europe, from its people and countries to its landforms, economy, and more.

In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!