Blackout Guide, Meaning , Facts, Information and Description

The term blackout refers to a cessation of electric activity through electric power transmission systems.

In general during peacetime, a blackout is an unintentional total electrical power outage. It is sometimes contrasted with the term brownout which is a reduction in power, and selected power outages, when demand exceeds supply (see rolling blackout).

However a blackout can be intentional, for instance collectively minimizing external light (during war), including upwards directed (or reflected) light, to "hide" from enemy aircraft (in the case of an occupied country: the enemy of the occupying force). Additionally, intentional blackouts can be used in coastal regions to prevent city lights from outlining ships (shore-side blackouts). This makes ships hard for enemy submarines to detect.

See also

• 2003 North America blackout
• Northeast Blackout of 1965
• communications blackout
• List of power outages
• Indoor climate control (air conditioning) can generate an excess of demand.
• Renewable energy to supply aditional energy.

Alternate meanings

• Alternatively, blackout can mean an episode of medical syncope (fainting).
• In theater, a blackout is the act of turning off all the stage lights, for some duration. Acts will frequently end with a blackout.
• In war, a blackout is a period during which persons are instructed to turn lights off to minimize visibility to bombers or other enemy operatives.
• In telecommunications, a blackout is when radio or telephone contact is not permitted or not possible.
• Blackout is also the name of a 1982 album by The Scorpions.
• Blackout is also the name of a 2003 album by Dropkick Murphys.
• Blackout is an alternative name for the card game Oh Hell.
• Blacking out can refer to completely forgetting what one did during a given period of time due to excessive drinking. It occurs when a person's blood alcohol level is sufficiently high to temporarily deactivate the part of the brain responsible for recording new memories.

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