How to Use a Graduated Cylinder
Get tips to help you measure the volume of a liquid with a graduated cylinder. Graduated cylinders are long, slender vessels used for measuring the volumes of liquids. They are not intended for mixing, stirring, heating, or weighing. Graduated cylinders commonly range in size from 5 mL to 500 mL. Some can even hold volumes […]
Make the Invisible Visible
Detecting IR Light with a Smart Phone The sun actually sends out more light than the part we see. Just past visible violet light is ultraviolet (UV) light, and just past visible red light is infrared (IR) light. Neither is visible to the human eye. Infrared light does not depend on visible light–IR light can […]