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  2. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    It has since been set backward 8 times and forward 18 times. The farthest time from midnight was 17 minutes in 1991, and the closest is 89 seconds, set in January 2025. [5] The Clock was moved to 150 seconds (2 minutes, 30 seconds) in 2017, then forward to 2 minutes to midnight in 2018, and left unchanged in 2019. [6]

  3. Spacetime - Wikipedia

    en.wikipedia.org/wiki/Spacetime

    Two events can be defined by the condition "two clocks are simultaneously at one place", i.e., when W′ passes each W 1 and W 2. For both events the two readings of the collocated clocks are recorded. The difference of the two readings of W 1 and W 2 is the temporal distance of the two events in S, and their spatial distance is d. The ...

  4. Discrete time and continuous time - Wikipedia

    en.wikipedia.org/wiki/Discrete_time_and...

    Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable. Thus a non-time variable jumps from one value to another as time moves from one time period to the next.

  5. Limitless Win - Wikipedia

    en.wikipedia.org/wiki/Limitless_Win

    How many countries have a land border with Germany? (Answer: 9) One lifeline at a time is made available for the team's use as the game proceeds; each may only be used once. The lifelines are shuffled and randomly placed at indicated steps on the Limitless Ladder, but the identity of each one is only revealed once the team reaches it.

  6. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    Used to measure the time between alternating power cycles. Also a casual term for a short period of time. centisecond: 10 −2 s: One hundredth of a second. decisecond: 10 −1 s: One tenth of a second. second: 1 s: SI base unit for time. decasecond: 10 s: Ten seconds (one sixth of a minute) minute: 60 s: hectosecond: 100 s: milliday: 1/1000 d ...

  7. Mental chronometry - Wikipedia

    en.wikipedia.org/wiki/Mental_chronometry

    Participants are asked to identify as quickly as possible whether the line on the right is longer or shorter than the line on the left. One of these lines would retain a constant length across trials, while the other took on a range of 15 different values, each one presented an equal number of times across the session. [47]

  8. Spacetime diagram - Wikipedia

    en.wikipedia.org/wiki/Spacetime_diagram

    A straight line connecting these two events is always the time axis of a possible observer for whom they happen at the same place. Two events which can be connected just with the speed of light are called lightlike. In principle a further dimension of space can be added to the Minkowski diagram leading to a three-dimensional representation.

  9. The Edge (game show) - Wikipedia

    en.wikipedia.org/wiki/The_Edge_(game_show)

    The run-up area ahead of the cash zone is now worth zero, removing the tactical advantage these had in series one (where, if a rival rolled off the Edge, a player could remain in the game with a deliberately short roll); the cash values have also been altered, now going up to £1300, with landing the Edge in round one now being worth £1500.