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  2. Relativity of simultaneity - Wikipedia

    en.wikipedia.org/wiki/Relativity_of_simultaneity

    The white line represents a plane of simultaneity being moved from the past to the future. In physics, the relativity of simultaneity is the concept that distant simultaneity – whether two spatially separated events occur at the same time – is not absolute, but depends on the observer's reference frame.

  3. 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.

  4. 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 ...

  5. Theory of relativity - Wikipedia

    en.wikipedia.org/wiki/Theory_of_relativity

    Relativity of simultaneity: Two events, simultaneous for one observer, may not be simultaneous for another observer if the observers are in relative motion. Time dilation: Moving clocks are measured to tick more slowly than an observer's "stationary" clock.

  6. Born coordinates - Wikipedia

    en.wikipedia.org/wiki/Born_coordinates

    Interlacing blue and grey stripes show change of t (stripes of simultaneity). Orange curves (/ \) are light-like curves (null geodesics) with fixed r. In relativistic physics, the Born coordinate chart is a coordinate chart for (part of) Minkowski spacetime, the flat spacetime of special relativity.

  7. History-making events top chart of decade’s biggest TV ...

    www.aol.com/history-making-events-top-chart...

    Next in the chart come other multi-channel events: Mr Johnson’s second Covid-19 broadcast on May 10 2020 (an audience of 27.6 million across seven channels), the Queen’s funeral service on ...

  8. Coordinate time - Wikipedia

    en.wikipedia.org/wiki/Coordinate_time

    Specific clock synchronization procedures were defined by Einstein and give rise to a limited concept of simultaneity. [1] Two events are called simultaneous in a chosen reference frame if and only if the chosen coordinate time has the same value for both of them; [2] and this condition allows for the physical possibility and likelihood that ...

  9. Drinking coffee at a certain time of day could reduce death ...

    www.aol.com/drinking-coffee-certain-time-day...

    "Moderate coffee drinking has been related to health benefits," lead study author Lu Qi, M.D., PhD, interim chair of the Department of Epidemiology at Tulane University, told Fox News Digital.