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 ...

If you’re studying for the higher tier exam, you will need to be familiar with calculations involving very large and very small numbers by using the ×10x or EXP button on your calculator. The equation ...

Waves in water are transverse. This means that the vibrations causing the waves are perpendicular to the direction of energy transfer. As this little boat demonstrates, you can see that the waves are ...