Radiation

Looks at different types of radiation, where it comes from, why it is important, and how it can be extremely dangerous. Radiation is all around us-in the earth, in the air, and in space. We can see and feel some forms of radiation, such as light and heat. Other forms, such as radio waves, pass right through our bodies without us even knowing. This book looks at the many different types of radiation. Find out where radiation comes from, why it is important, and how it can be extremely dangerous.