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  2. Transfinite number - Wikipedia

    en.wikipedia.org/wiki/Transfinite_number

    Any finite natural number can be used in at least two ways: as an ordinal and as a cardinal. Cardinal numbers specify the size of sets (e.g., a bag of five marbles), whereas ordinal numbers specify the order of a member within an ordered set [9] (e.g., "the third man from the left" or "the twenty-seventh day of January").

  3. 2025 Prayag Maha Kumbh Mela - Wikipedia

    en.wikipedia.org/wiki/2025_Prayag_Maha_Kumbh_Mela

    This event marks the completion of a 12-Kumbh Mela cycle and is officially termed a Maha Kumbh Mela, spanning 45 days. [3] The Kumbh Mela has been organized since many years with its commencement date unknown. As per astronomical calculations, the 2025 edition is unique since the constellation alignment seen is witnessed once in 144 years.

  4. Conformal cyclic cosmology - Wikipedia

    en.wikipedia.org/wiki/Conformal_cyclic_cosmology

    Conformal cyclic cosmology (CCC) is a cosmological model in the framework of general relativity and proposed by theoretical physicist Roger Penrose. [1] [2] [3] In CCC, the universe iterates through infinite cycles, with the future timelike infinity (i.e. the latest end of any possible timescale evaluated for any point in space) of each previous iteration being identified with the Big Bang ...

  5. Hamiltonian path - Wikipedia

    en.wikipedia.org/wiki/Hamiltonian_path

    A Hamiltonian cycle, Hamiltonian circuit, vertex tour or graph cycle is a cycle that visits each vertex exactly once. A graph that contains a Hamiltonian cycle is called a Hamiltonian graph . Similar notions may be defined for directed graphs , where each edge (arc) of a path or cycle can only be traced in a single direction (i.e., the vertices ...

  6. Eulerian path - Wikipedia

    en.wikipedia.org/wiki/Eulerian_path

    An Eulerian cycle, [note 1] also called an Eulerian circuit or Euler tour, in an undirected graph is a cycle that uses each edge exactly once. If such a cycle exists, the graph is called Eulerian or unicursal. [4] The term "Eulerian graph" is also sometimes used in a weaker sense to denote a graph where every vertex has even degree.

  7. Timeline of the far future - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_far_future

    This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the future cannot be predicted with certainty ...

  8. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    What addicts face is a revolving door, an ongoing cycle of waiting for treatment, getting treatment, dropping out, relapsing and then waiting and returning for more. Like so many others, Tabatha Roland, the 24-year-old addict from Burlington, wanted to get sober but felt she had hit a wall with treatment. “I hate my life so much..

  9. Eternal return - Wikipedia

    en.wikipedia.org/wiki/Eternal_return

    These cycles continue for eternity, and the same events are exactly repeated in every cycle. [4] The Stoics may have found support for this doctrine in the concept of the Great Year, [5] the oldest known expression of which is found in Plato's Timaeus. Plato hypothesised that one complete cycle of time would be fulfilled when the sun, moon and ...