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  2. List of unsolved problems in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.

  3. 101 Science Trivia Questions and Answers To Test Your ... - AOL

    www.aol.com/101-science-trivia-questions-answers...

    101 Best Science Trivia Questions. 1. Question: At what temperature are Celsius and Fahrenheit equal? Answer: -40 degrees. 2. Question: Roughly how long does it take for the sun’s light to reach ...

  4. Outline of physics - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physics

    Physical cosmology – the study of the largest-scale structures and dynamics of the universe and is concerned with fundamental questions about its formation and evolution. Planetary science – the scientific study of planets (including Earth), moons, and planetary systems, in particular those of the Solar System and the processes that form them.

  5. Outline of physical science - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physical_science

    Validity, accuracy, and social mechanisms ensuring quality control, such as peer review and repeatability of findings, are amongst the criteria and methods used for this purpose. Natural science can be broken into two main branches: life science (for example biology) and physical science. Each of these branches, and all of their sub-branches ...

  6. 50 Science Trivia Questions People Always Get Wrong - AOL

    www.aol.com/50-science-trivia-questions-people...

    If you can answer 50 percent of these science trivia questions correctly, you may be a genius. The post 50 Science Trivia Questions People Always Get Wrong appeared first on Reader's Digest.

  7. Physics - Wikipedia

    en.wikipedia.org/wiki/Physics

    Physics is also called "the fundamental science" because all branches of natural science including chemistry, astronomy, geology, and biology are constrained by laws of physics. [58] Similarly, chemistry is often called the central science because of its role in linking the physical sciences.

  8. Lists of physics equations - Wikipedia

    en.wikipedia.org/wiki/Lists_of_physics_equations

    In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.

  9. Arrow of time - Wikipedia

    en.wikipedia.org/wiki/Arrow_of_time

    In the 1928 book The Nature of the Physical World, which helped to popularize the concept, Eddington stated: . Let us draw an arrow arbitrarily. If as we follow the arrow we find more and more of the random element in the state of the world, then the arrow is pointing towards the future; if the random element decreases the arrow points towards the past.

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