Αποτελέσματα Αναζήτησης
24 Απρ 2017 · Learn how light is a form of electromagnetic energy that travels in waves without a medium, and how its speed and color depend on frequency and wavelength. Explore how light bends in different media and creates rainbows.
19 Μαΐ 2016 · Learn about the history and theory of light, from ancient philosophers to modern physics. Discover how light behaves as both a particle and a wave, and how it travels at a constant speed in all frames of reference.
Learn about the wave nature, sources, speed, and characteristics of light. Explore the history of light experiments, theories, and applications with examples and diagrams.
20 Μαΐ 2016 · Learn how light was once thought to be a particle, then a wave, and finally a particle-wave hybrid, based on experiments and theories from ancient to modern times. Discover how Einstein's Special Relativity explained the speed and nature of light, and how it relates to electromagnetism and quantum mechanics.
Learn how light travels from a source to another location, and how its speed depends on the medium. Explore the history and methods of measuring the speed of light in a vacuum and in matter.
Learn how light was first observed and studied by ancient and modern scientists, and how it behaves as a wave, a ray or a particle. Discover the properties, effects and mysteries of light, and how it travels in different media and conditions.
23 Ιαν 2024 · Learn how the speed of light was first measured, why it is a constant and what it means for relativity. Find out how light slows down in different media and why it is the cosmic speed limit.