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Curated Video
Hazards of Electromagnetic Radiation: Health Risks and Exposure
This lecture video discusses the health risks associated with exposure to electromagnetic waves on the electromagnetic spectrum. The video covers different types of electromagnetic radiation, from microwaves to X-rays and gamma rays, and...
Curated Video
The Effects of Wavelength and Speed on Electromagnetic Waves
This video is a lecture on the effects of wavelength and speed on electromagnetic waves. The speaker explains what can happen to a wave at the boundary between two media, including reflection and refraction. They also discuss how...
Curated Video
Understanding Refraction and Ray Diagrams
The video is a lecture on refraction and ray diagrams. It explains how ray diagrams can be used to describe the refraction of waves at the boundary between two different media, such as air and glass. The video covers concepts such as the...
Curated OER
Einstein's Relativity (2): Time Dilation-Slowing Down Clocks
What does the EM stand for in terms of physics? Learners are introduced to the EM, Einstein's relativity, light years, and the speed of light in terms of relativity. Good examples and concrete visuals guide viewers through the complex...