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Countdown. A countdown is a sequence of backward counting to indicate the time remaining before an event is scheduled to occur. NASA commonly employs the terms "L-minus" and "T-minus" during the preparation for and anticipation of a rocket launch, [1] and even "E-minus" for events that involve spacecraft that are already in space, where the "T ...
A pomodoro kitchen timer. The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. [1] It uses a kitchen timer to break work into intervals, typically 25 minutes in length, separated by short breaks. Each interval is known as a pomodoro, from the Italian word for tomato, after the tomato-shaped ...
Repeater (horology) The 13 in (33 cm) watch by Louis Brandt (1892) was the first wristwatch with a minute repeater. The movement was manufactured by Audemars Piguet. A repeater is a complication in a mechanical watch or clock that chimes the hours and often minutes at the press of a button. There are many types of repeater, from the simple ...
The Doomsday Clock is a symbol that represents the likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [ 1 ] Maintained since 1947, the Clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances.
The time loop or temporal loop is a plot device in fiction whereby characters re-experience a span of time which is repeated, sometimes more than once, with some hope of breaking out of the cycle of repetition. [ 1 ] Time loops are constantly resetting; when a certain condition is met, such as a death of a character or a certain point in time ...
A simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardwareor software. Stopwatchesoperate in the opposite direction, upwards from 00:00, measuring elapsed time since a given time instant. Time switchesare timers that control an electric switch.
In these cases, 15/XX is the same as a vixie-cron schedule of 15-59/10 in the minutes section. Similarly, you can remove the extra -23 from 0-23/XX, -31 from 1-31/XX, and -12 from 1-12/XX for hours, days, and months; respectively. H 'H' is used in the Jenkins continuous integration system to indicate that a "hashed" value is substituted.
An egg timer or kitchen timer is a device whose primary function is to assist in timing during cooking; the name comes from the first timers initially being used for the timing of cooking eggs. Early designs simply counted down for a specific period of time. Some modern designs can time more accurately by depending on water temperature rather ...