Light can be a type of pollution. Learn about the damage it causes to people and living things as well as how you can prevent it.
Waves, Sound, Light
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Learn about telescopes, how they work & why they're important to astronomers.
Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.
Learn about reflection and refraction and meet Emily Altiere, a PhD student in physics who studies lasers.
Learn about light and its properties.
Learn about the history, function, uses, benefits and risks of Ultrasonography as a medical imaging technology.
Learn about uses of thermal imaging as a medical imaging technology.
Learn about radiography and x-rays as a form of medical imaging technology.