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  2. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Sunglasses can improve visual comfort and visual clarity by protecting the eye from glare. The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water. They allow wearers to see into water when only surface glare would otherwise be seen, and eliminate glare from a road surface when ...

  3. Polaroid Eyewear - Wikipedia

    en.wikipedia.org/wiki/Polaroid_Eyewear

    Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011. Polaroid headquarters is located in Padua (Italy).

  4. Political polarization - Wikipedia

    en.wikipedia.org/wiki/Political_polarization

    Political polarization (spelled polarisation in British English, African and Caribbean English, and New Zealand English) is the divergence of political attitudes away from the center, towards ideological extremes.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Single-ended primary-inductor converter - Wikipedia

    en.wikipedia.org/wiki/Single-ended_primary...

    However, a polarized tantalum or electrolytic capacitor may be used in some cases, because the potential (voltage) across capacitor C1 will not change unless the switch is closed long enough for a half cycle of resonance with inductor L2, and by this time the current in inductor L1 could be quite large.

  7. Raman spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Raman_spectroscopy

    Energy-level diagram showing the states involved in Raman spectra. Raman spectroscopy (/ ˈ r ɑː m ən /) (named after physicist C. V. Raman) is a spectroscopic technique typically used to determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed.

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