Did you know you've been cooking your food with light? Most of us have a microwave oven in our kitchens, and that's exactly what they do. When you press start, a device called a magnetron emits a ...

In everyday life we experience light in one of its simplest forms – optical rays or beams. However, light can exist in much more exotic forms. Thus, even beams can be shaped to take the form of ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

The auroras — more commonly known as northern or southern lights — are a top contender for nature's most awe-inspiring phenomenon. So captivating are these shows of light that, throughout human ...