Explore the fundamentals of bioimaging in this 38-minute lecture from Yale University's Frontiers of Biomedical Engineering course. Delve into the electromagnetic spectrum, understanding its various regimes, wavelengths, energies, and detection methods. Discover the application of high-energy radio waves in body imaging, with a focus on X-ray technology. Learn about the history, components, advantages, and limitations of X-ray imaging. Investigate Computed Tomography (CT) and its role in creating three-dimensional images from line-scanned X-rays. Gain insights into the potential harmful effects of X-ray radiation and strategies to minimize exposure risks. The lecture covers key topics including an introduction to biomedical imaging, the electromagnetic spectrum, X-rays, challenges in X-ray imaging, CT imagery, and concludes with a summary of the presented concepts.