Symmetry Magazine
Symmetry Magazine: Explain It in 60 Seconds: Light Sources
Light sources are usually synchrotrons, accelerators that are used to produce intense light beams for research purposes. "Explain It In 60 Seconds" is an article series that aims to summarize in a few paragraphs the meaning of different...
Libre Text
Libre Texts: Physics: The Ray Model of Light
How is light visible? Examine this source to understand what light is and how it travels. Answer discussion questions and practice problems to better recognize light rays and know their functions.
Physics Classroom
The Physics Classroom: Two Point Source Interference
This lesson from the Glenbrook South High School discusses two-point source interference. It gives detail on the difference between constructive and destructive interference, what a two-point source interference is and what happens when...
Physics Classroom
The Physics Classroom: Light Waves and Color: Two Point Source Interference
Students examine the findings of Thomas Young's light experiment, which showed that an interference pattern results when light from two sources meets up while traveling through the same medium.
National High Magnetic Field Laboratory
Magnet Academy: Fluorescent Lamp 1934
Compared to incandescent lamps, fluorescent lamps last longer, require less energy and produce less heat, advantages resulting from the different way in which they generate light.
PC Technology Guide
Pc Tech Guide: Scanners
Informative sight detailing the basics of what a scanner is and what it can do.
Other
Art Instruction Schools: Fundamentals of Art
Learn how Art Instruction Schools--a school for future illustrators--grounds its students in the fundamentals of art. Click through a series of illustrated lesson overviews on basic shapes, lines, tone and value, light source,...
TED Talks
Ted: Ted Ed: How False News Can Spread
In previous decades, most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now, however, has created the ideal conditions...
Cornell Lab of Ornithology
Habitat Network: Don't Be an Ecological Trap
With the help of some economics metaphors, Habitat Network delves into the scary-sounding "ecological trap" and helps bring it to light.
Digital Public Library of America
Dpla: Women's Suffrage: Campaign for the Nineteenth Amendment
This set of primary sources uses photos, advertisements, maps, and other documents to shed light on that struggle toward the Nineteenth Amendment. Includes a teacher's guide.
PBS
Pbs Learning Media: Earth's Albedo and Global Warming
In this interactive activity adapted from NASA and the U.S. Geological Survey, learn about Earth's albedo (the ratio of reflected vs. incident solar radiation), how pollution alters albedo, and how ice-albedo feedback may accelerate...
The Washington Post
Washington Post: Special Reports: Revisiting Watergate
A retrospective of the Watergate crisis, compiled from the resources of the newspaper largely responsible for first bringing the crimes of the Nixon administration to light. Includes a chronology, an analysis of key players, links to...
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