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  2. 4 Minutes - Wikipedia

    en.wikipedia.org/wiki/4_Minutes

    Music video. "4 Minutes" on YouTube. " 4 Minutes " is a song by American singer-songwriter Madonna from her eleventh studio album Hard Candy (2008), featuring vocals by fellow American singer-songwriter Justin Timberlake and American producer Timbaland. It was released as the lead single from the album on March 17, 2008, by Warner Bros. Records.

  3. Roger Bannister - Wikipedia

    en.wikipedia.org/wiki/Roger_Bannister

    800 m. Sir Roger Gilbert Bannister CH CBE FRCP (23 March 1929 – 3 March 2018) was an English neurologist and middle-distance athlete who ran the first sub- 4-minute mile . At the 1952 Olympics in Helsinki, Bannister set a British record in the 1500 metres and finished in fourth place. This achievement strengthened his resolve to become the ...

  4. List of American high school students who have run a four ...

    en.wikipedia.org/wiki/List_of_American_high...

    This is a list of American high school students who have run a four-minute mile since the feat was first accomplished in 1964. The first person to run the mile (1,760 yards, or 1,609.344 metres) in under four minutes was Roger Bannister in 1954, in a time of 3:59.4. [ 1] This barrier would not be broken by a high school student until 1964, when ...

  5. Four-minute mile - Wikipedia

    en.wikipedia.org/wiki/Four-minute_mile

    A four-minute mile is the completion of a mile run (1.6 km) in four minutes or less. It translates to a speed of 15 miles per hour (24 km/h). [ 1] It is a standard of professional middle distance runners in several cultures. The first four-minute mile is usually attributed to the English athlete Roger Bannister, who ran it in 1954 at age 25, in ...

  6. Doomsday Clock - Wikipedia

    en.wikipedia.org/wiki/Doomsday_Clock

    Doomsday Clock. 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.

  7. Pomodoro Technique - Wikipedia

    en.wikipedia.org/wiki/Pomodoro_Technique

    Pomodoro Technique. 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 ...

  8. Four-minute warning - Wikipedia

    en.wikipedia.org/wiki/Four-minute_warning

    The four-minute warning was a public alert system conceived by the British Government during the Cold War and operated between 1953 and 1992. The name derived from the approximate length of time from the point at which a Soviet nuclear missile attack against the United Kingdom could be confirmed and the impact of those missiles on their targets.

  9. Time signature - Wikipedia

    en.wikipedia.org/wiki/Time_signature

    Most time signatures consist of two numerals, one stacked above the other: The lower numeral indicates the note value that the signature is counting. This number is always a power of 2 (unless the time signature is irrational), usually 2, 4 or 8, but less often 16 is also used, usually in Baroque music. 2 corresponds to the half note (minim), 4 to the quarter note (crotchet), 8 to the eighth ...

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