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2. Unpolarized light - Wikipedia

   en.wikipedia.org/wiki/Unpolarized_light

   Unpolarized light can be produced from the incoherent combination of vertical and horizontal linearly polarized light, or right- and left-handed circularly polarized light. [1] Conversely, the two constituent linearly polarized states of unpolarized light cannot form an interference pattern, even if rotated into alignment (Fresnel–Arago 3rd ...

3. Brewster's angle - Wikipedia

   en.wikipedia.org/wiki/Brewster's_angle

   Polarized sunglasses use a sheet of polarizing material to block horizontally-polarized light and thus reduce glare in such situations. These are most effective with smooth surfaces where specular reflection (thus from light whose angle of incidence is the same as the angle of reflection defined by the angle observed from) is dominant, but even ...

4. Fresnel equations - Wikipedia

   en.wikipedia.org/wiki/Fresnel_equations

   Likewise, unpolarized (or "randomly polarized") light has an equal amount of power in each of two linear polarizations. The s polarization refers to polarization of a wave's electric field normal to the plane of incidence (the z direction in the derivation below); then the magnetic field is in the plane of incidence.

5. Photochromism - Wikipedia

   en.wikipedia.org/wiki/Photochromism

   Photochromism is the reversible change of color upon exposure to light. It is a transformation of a chemical species ( photoswitch ) between two forms by the absorption of electromagnetic radiation ( photoisomerization ), where the two forms have different absorption spectra.

6. Polarizer - Wikipedia

   en.wikipedia.org/wiki/Polarizer

   There are several ways to create circularly polarized light, the cheapest and most common involves placing a quarter-wave plate after a linear polarizer and directing unpolarized light through the linear polarizer. The linearly polarized light leaving the linear polarizer is transformed into circularly polarized light by the quarter wave plate.

7. If you’re finding your teenage dog difficult, here’s what an ...

   www.aol.com/finding-teenage-dog-difficult-award...

   The teenage stage isn’t easy for anyone, whether you’re the teen or the parent. And that’s not only true when it comes to human teenagers, but canine ones, too.