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 ...

A ripple tank can be used to measure and calculate frequency, wavelength and the speed of waves on the surface of the water. A ripple tank is a transparent shallow tray of water with a light shining ...

(Nanowerk Spotlight) Optical spectrometers are devices that measure the variation in the absorption and emission of light over a range ( the change in the absorption and emission of light with ...