Elizabeth Rubio – författare

When most people hear the term "radio waves," they think of the radio in their car or on their desk, but radio waves are so much more than a way of listening to music! Readers will discover how radio waves are similar to and different from light we can see. They''ll learn how radio transmitters and receivers work and the difference between AM and FM frequencies. Readers will learn about the that roles that radio waves play in space exploration and how they might reveal life on other planets.

Every day, we navigate the world using our sight. This is thanks to visible light, but what exactly is visible light, and how is it different from other forms of light? This book explores everything about visible light, from its discovery to its behavior as both a particle and a wave to its many uses, including in art, science, and communication. Readers discover how visible light is vital not only to humans and other animals with sight, but to all life on Earth.

What do a nuclear bomb, a mummy, a counterfeit bill, and a broken arm have in common? The answer is X-ray technology. Most people are probably familiar with the X-rays used in medicine, which can show organs within a body. This book explores the history of radiography and how it came to be one of the most useful tools in medicine. It also delves into the limits of radiography and the effects of ionizing radiation on living things. It further investigates many other uses of X-rays, including nuclear weaponry and counterfeit detection.