Other
Gem Hut: Zircon
This commercial page gives information about the physical properties of zircon, its appearance, and where it can be found. Includes pictures and tables.
Wolfram Research
Wolfram Science World: Bernoulli, Johann (1667 1748)
This site from ScienceWorld contains a short but factual biography of Johann Bernoulli. Includes a picture, along with quite a few links that contain additional information on related subjects.
Other
Hvpm: Lepidoptera and Diptera
A description of the wing structure of the Lepidoptera and the Diptera.
Other
American Academy of Ophthalmology
Home page for The Eye M.D. Association, this site contains a "Public Information" section that has a great deal of information related to eye disorders and treatments, and the medical specialty of Ophthalmology.
Optical Society
Optical Society of America: Optics for Kids: Total Internal Reflection
An investigation into the total internal reflection of light, using a laser pointer. Accompanied by an explanation of what's happening, a discussion of Snell's Law, and links to additional information.
Curated OER
Ntnu Virtual Physics Lab: Find the Fastest Path
Chinese-language Java applet illustrating Fermat's principle that light follows the fastest path between any two points. Excellent animation and accompanying text. Relates Fermat's principle to Snell's law.
Curated OER
Georgia State University: Telephoto Lens
At this site from Georgia State University Physics Department the operation of a telephoto lens is discussed. The refraction of light through the lens is shown and a link to a calculation page is provided.
Curated OER
Georgia State University: Telephoto Lens
At this site from Georgia State University Physics Department the operation of a telephoto lens is discussed. The refraction of light through the lens is shown and a link to a calculation page is provided.
Curated OER
Ntnu Virtual Physics Lab: Thin Lens Combination
A Java applet which allows the user to emulate a refracting telescope and a light microscope. This is a great site to get information on the subject and better understand it through diagrams and charts.
Curated OER
Ntnu Virtual Physics Lab: Thin Lens Combination
A Java applet which allows the user to emulate a refracting telescope and a light microscope. This is a great site to get information on the subject and better understand it through diagrams and charts.
Curated OER
Ntnu Virtual Physics Lab: Thick Lens Java Applet
An interactive Java applet which allows the user to investigate the path of light through a lens shape object. The shape of the object, the index of refraction of the material, and the location of the incident rays can be altered.
Curated OER
Science World: Snell, Willebrord
This site from ScienceWorld provides a very short biographical sketch of Willebrord Snell (1591-1626 CE) and describes his most notable scientific discovery, the law of refraction. Links are provided for additional information as well.
Boston University
Bu: Optics Demonstrations: Polarization
Several short descriptions of demonstrations pertaining to polarization principles. Suitable as a supplement for a teacher lesson plan or as an idea-generator for a student project.
Cosmo Learning
Cosmo Learning: Physics Iii: Vibrations and Waves
A collection of video lectures from a physics course focusing on vibration and waves taught at the Massachusetts Institute of Technology. The course overviews topics dealing with mechanical vibration and waves with twenty-three lectures....
York University
The Joy of Visual Perception: Physics of Visual Stimulus
From an online "book," this particular page describes physics principles related to vision and sight. Keywords are linked to other pages with further information. The role of sunglasses in blocking glare is discussed and explained. A...
Michigan Reach Out
Making a Water Lens
This site provides a basic experiment that shows how a lens works. This lesson plan explains nearsightedness and farsightedness. It also explains concave and convex lenses.
Exploratorium
Exploratorium: Water Sphere Lens
A discussion of how to make a magnifying lens exhibit using a water-filled flask and a light bulb. Consists of assembly instructions and a "To do and notice" section. Great for a teacher demonstration or a student project.
Other
United States Master Swimming: Fiber Aquatics
The principle of total internal reflection is discussed in this article. The appearance of objects from inside the water of a swimming pool is compared to the path of light in a fiber optic cable.
Other
Lighthouses: Lighting the Lights
A description of the early lights used in lighthouses and how these lights evolved into what they are today. Explains the contributions of Fresnel to the development of these lights; discusses the Fresnel orders.
Other
Clear Vision Hawaii: Fa Qs About Pinhole Glasses
Using a question and answer format, this page discusses the technical aspect of pinhole glasses. Defines, illustrates and discusses pinhole glasses.
Synopsys
Synopsys: A Gentle Intro to Optical Design: Why Is the Sky Blue?
Discusses Rayleigh scattering in plain language and attributes the blueness of the skies to this phenomenon. Discussion of scattering is just one topic of many on this lengthy page of optical topics.
Synopsys
Synopsys: Optics for Kids: What Is Light?
An explanation of what light is and some of its properties.
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