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  2. Half-life - Wikipedia

    en.wikipedia.org/wiki/Half-life

    In this situation it is generally uncommon to talk about half-life in the first place, but sometimes people will describe the decay in terms of its "first half-life", "second half-life", etc., where the first half-life is defined as the time required for decay from the initial value to 50%, the second half-life is from 50% to 25%, and so on. [7]

  3. Half-time - Wikipedia

    en.wikipedia.org/wiki/Half-time

    The origin of changing ends at half-time lies in the early English public school football games.One early use of a fixed half-time (as suggested by Adrian Harvey in his book, Football, The First Hundred Years: The Untold Story) is that the origin of the practice was to allow for two football teams each used to a different set of rules to play half of the game by familiar rules, and half by the ...

  4. Countdown - Wikipedia

    en.wikipedia.org/wiki/Countdown

    In the context of a rocket launch, the "L minus Time" is the physical time before launch, e.g. "L minus 3 minutes and 40 seconds". "T minus Time" is a system to mark points at which actions necessary for the launch are planned - this time stops and starts as various hold points are entered, and so doesn't show the actual time to launch.

  5. American football rules - Wikipedia

    en.wikipedia.org/wiki/American_football_rules

    [7] Before the 2010–11 playoffs, the overtime winner was simply the first team to score any points; [8] however, the rules were changed to reduce the advantage obtained by the team that won the overtime coin toss. Under the prior rules, the team that won the coin toss would usually elect to receive the ball and then gain just enough yardage ...

  6. Prophecy of Seventy Weeks - Wikipedia

    en.wikipedia.org/wiki/Prophecy_of_Seventy_Weeks

    [99] [100] The seventieth week is then separated from the 69th week by a long period of time, known in dispensational speak as the church age; [99] [96] hence, the 70th week does not begin until the end of the church age, at which point the church will be removed from the earth in an event called the rapture. Finally, the future Antichrist is ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Day-year principle - Wikipedia

    en.wikipedia.org/wiki/Day-year_principle

    The day-year principle was partially employed by Jews [7] as seen in Daniel 9:24–27, Ezekiel 4:4-7 [8] and in the early church. [9] It was first used in Christian exposition in 380 AD by Ticonius, who interpreted the three and a half days of Revelation 11:9 as three and a half years, writing 'three days and a half; that is, three years and six months' ('dies tres et dimidium; id est annos ...

  9. Overtime (sports) - Wikipedia

    en.wikipedia.org/wiki/Overtime_(sports)

    In total, the match took 11 hours, 5 minutes of play over three days, with a final score of 6–4, 3–6, 6–7(7), 7–6(3), 70–68 for a total of 183 games. It remains by far the longest match in tennis history, measured both by time and number of games. The final set alone was longer than the previous longest match. [52] [circular reference]