The Fresnel lens uses small grooves in its surface to bend the light and magnify the image. Online experiments using your computer and other everyday items. Solve brainteasers such as the problem with the radioactive cookies. Physics is the study of energy and matter. Physicists explore the physical world and try to explain concepts such as light, sound, electricity, and magnetism.
Some people combine their interest in physics with other studies.
Here are some careers that relate to physics.