SciShow
Do Polar Bears Have Fiber Optic Fur?
Humans may use fiber optic technology to make everything from novelty desk toys to high speed internet cables, but Nature has its own ideas. For decades, scientists have debated to what extent polar bears may use the optical properties...
Curated Video
Fibre Optics
Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible? Physics - Waves - Learning Points. Fibre-optic cables carry information from our phones and computers as light. A...
Higgsino Physics
Optical Physics Basics
Optical physics. Explaining and what Refraction, total internal reflection and dispersion is. Refraction is the bending of the light rays path, when it passes a new medium. When the index of refraction is greater in the new medium and...
Khan Academy
Khan Academy: Waves and Optics: Total Internal Reflection
A discussion of critical incident angle and total internal reflection. [7:55]
BBC
Bbc: Gcse Bitesize: Total Internal Reflection
Demonstration and explanation of total internal reflection, and description of its use in fibre optics.