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FreeAstroScience logo with a glowing star, open book, and Earth on a space-themed circular badge with the tagline Igniting Curiosity for free astronomy science education

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When lakes lose their winter pulse: Climate change and the hidden Nitrogen story

May 27, 2026May 27, 2026

Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

May 27, 2026May 27, 2026

Mercury’s polar water ice: new models suggest a larger, slower impact source

May 26, 2026May 26, 2026

New Cell Therapy Offers Hope for Advanced Liver Disease Patients

May 25, 2026May 25, 2026

FreeEdu

    What is the random walk?

    Gerd DaniJanuary 7, 2022March 28, 20260

    Random walk is a mathematical object, that describes a path that consists of a succession of random steps on some…

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      Introducing Entropy

      Gerd DaniDecember 24, 2021March 28, 20260

      Entropy is a scientific concept as well as a measurable physical property that is most commonly associated with a state…

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        Talking about Marine propulsion

        Gerd DaniDecember 22, 2021March 28, 20260

        Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across water. Numerous…

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          Space in mathematics

          Gerd DaniDecember 22, 2021March 28, 20260

          Space is a set with some added structure. While modern mathematics uses many types of spaces, such as Euclidean spaces,…

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            What is an Attractor?

            Gerd DaniDecember 14, 2021March 28, 20260

            Attractor is a set of states toward which a system tends to evolve, for a wide variety of starting conditions…

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              What is the Baryogenesis?

              Gerd DaniDecember 9, 2021March 28, 20260

              Baryogenesis is the physical process that is hypothesized to have taken place during the early universe to produce baryonic asymmetry,…

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                What is the fullerene?

                Gerd DaniNovember 27, 2021March 28, 20260

                Fullerene is an allotrope of carbon whose molecule consists of carbon atoms connected by single and double bonds so as…

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                  What is a Koch snowflake?

                  Gerd DaniNovember 15, 2021March 28, 20260

                  Koch snowflake is a fractal curve and one of the earliest fractals to have been described. It is based on…

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                    Introducing the nuclear chain reaction

                    Gerd DaniNovember 13, 2021March 28, 20260

                    Nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus…

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                      Quantum Entanglement: Simplifying the Science of Spooky Action

                      Gerd DaniNovember 12, 2021March 28, 20260

                      Einstein famously called it “spooky action at a distance”; the notion that obtaining information about one particle in an entangled…

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