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  2. Earth Hour - Wikipedia

    en.wikipedia.org/wiki/Earth_Hour

    Earth Hour is a worldwide movement organized by the World Wildlife Fund (WWF). The event is held annually, encouraging the individuals, communities, and businesses to give an hour for Earth, and additionally marked by landmarks and businesses switching off non-essential electric lights, for one hour from 8:30 to 9:30 p.m., usually on the last Saturday of March, as a symbol of commitment to the ...

  3. Blackout (wartime) - Wikipedia

    en.wikipedia.org/wiki/Blackout_(wartime)

    External lights such as street lights were switched off, or dimmed and shielded to deflect light downward. Essential lights such as traffic lights and vehicle headlights were fitted with slotted covers to deflect their beams downwards to the ground. [8] Shops and factories had particular problems.

  4. Wikipedia:Blackouts - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Blackouts

    The English-language Wikipedia page on January 18, 2012, illustrating its international blackout in opposition to SOPA. On January 18, 2012, by consensus of editors, the English Wikipedia was blacked out for one day to protest the Stop Online Piracy Act (SOPA), a bill in the United States House of Representatives. The process for deciding ...

  5. Wikipedia:Dark mode

    en.wikipedia.org/wiki/Wikipedia:Dark_mode

    A light-on-dark color scheme (dark mode, night mode) is available to Wikipedia's smartphone apps and website (for users using the default skins) since July 2024.. In addition to this there is a gadget on English Wikipedia, and various volunteer-written CSS files that allow customization for logged-in users.

  6. Turn Off the Lights - Wikipedia

    en.wikipedia.org/wiki/Turn_Off_the_Lights

    "Turn Off the Lights" was a hit for R&B crooner Teddy Pendergrass, released as a single on June 23, 1979. Released from his hit album, Teddy , the song hit No. 48 on the Pop charts and No. 2 on the R&B charts.

  7. Street light interference phenomenon - Wikipedia

    en.wikipedia.org/wiki/Street_light_interference...

    A street lamp mounted on a bracket and column A high pressure sodium street light fixture. Street light interference, sometimes called high voltage syndrome, is the claimed ability of individuals to turn street lights or outside building security lights on or off when passing near them. [1]

  8. Wikipedia:Dark mode (gadget) - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Dark_mode_(gadget)

    The CSS was written with Wikipedia sites in mind (see phab:T221425) so experience on other wikis may not be optimal. To set up the gadget on your wiki, ask an interface-admin to do the following: Create the pages MediaWiki:Gadget-dark-mode.css , MediaWiki:Gadget-dark-mode-toggle-pagestyles.css and MediaWiki:Gadget-dark-mode-toggle.js by copying ...

  9. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]