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Blackout Transient fault. Power outages are categorized into three different phenomena, relating to the duration and effect of the outage: A transient fault is a loss of power typically caused by a fault on a power line, e.g. a short circuit or flashover.
A blackout during war, or in preparation for an expected war, is the practice of collectively minimizing outdoor light, including upwardly directed (or reflected) light. This was done in the 20th century to prevent crews of enemy aircraft from being able to identify their targets by sight, such as during the London Blitz of 1940.
Blackout (drug-related amnesia), loss of memory with medicines or alcoholic beverages Blackout or lost time, a common symptom of psychogenic amnesia and dissociative identity disorder
An Internet outage or Internet blackout or Internet shutdown is the complete or partial failure of the internet services. It can occur due to censorship, cyberattacks, disasters, [1] police or security services actions [2] or errors. Disruptions of submarine communications cables may cause blackouts or slowdowns to large areas. Countries with a ...
A rolling blackout, also referred to as rota or rotational load shedding, rota disconnection, feeder rotation, or a rotating outage, is an intentionally engineered electrical power shutdown in which electricity delivery is stopped for non-overlapping periods of time over different parts of the distribution region.
The Mars Pathfinder endured a 30-second communications blackout as it entered Mars' atmosphere, for example. The Huygens probe endured a communications blackout as it entered the atmosphere of Titan. [1] Until the creation of the Tracking and Data Relay Satellite System (TDRSS), the Space Shuttle endured a 30-minute blackout.
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November 9—United States and Canada—The Northeast blackout of 1965 affected portions of seven northeastern U.S. states and Ontario.Most radio and television stations within the area lost power or lost teletype communications, so people within the blackout area relied on broadcasts from other areas to learn information about the blackout.