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  2. Causality (physics) - Wikipedia

    en.wikipedia.org/wiki/Causality_(physics)

    Causality is the relationship between causes and effects. [1] [2] While causality is also a topic studied from the perspectives of philosophy and physics, it is operationalized so that causes of an event must be in the past light cone of the event and ultimately reducible to fundamental interactions. Similarly, a cause cannot have an effect ...

  3. Human error - Wikipedia

    en.wikipedia.org/wiki/Human_error

    In short, it is a deviation from intention, expectation or desirability. [1] Logically, human actions can fail to achieve their goal in two different ways: the actions can go as planned, but the plan can be inadequate (leading to mistakes); or, the plan can be satisfactory, but the performance can be deficient (leading to slips and lapses ).

  4. 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.

  5. Earthquake - Wikipedia

    en.wikipedia.org/wiki/Earthquake

    An earthquake is the shaking of the surface of Earth resulting from a sudden release of energy in the lithosphere that creates seismic waves.Earthquakes may also be referred to as quakes, tremors, or temblors.

  6. Global catastrophe scenarios - Wikipedia

    en.wikipedia.org/wiki/Global_catastrophe_scenarios

    The worst-affected city would likely be Billings, Montana, population 109,000, which the model predicted would be covered with ash estimated as 1.03 to 1.8 meters thick. [ 185 ] The main long-term effect is through global climate change, which reduces the temperature globally by about 5–15 °C for a decade, together with the direct effects of ...

  7. Impact (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Impact_(mechanics)

    The Columbia disaster was caused by impact damage when a chunk of polyurethane foam impacted the carbon fibre composite wing of the Space Shuttle. Although tests had been conducted before the disaster, the test chunks were much smaller than the chunk that fell away from the booster rocket and hit the exposed wing.

  8. Mechanical resonance - Wikipedia

    en.wikipedia.org/wiki/Mechanical_resonance

    Graph showing mechanical resonance in a mechanical oscillatory system. Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration (its resonance frequency or resonant frequency) closer than it does other frequencies.

  9. Retrocausality - Wikipedia

    en.wikipedia.org/wiki/Retrocausality

    Retrocausality, or backwards causation, is a concept of cause and effect in which an effect precedes its cause in time and so a later event affects an earlier one. [1] [2] In quantum physics, the distinction between cause and effect is not made at the most fundamental level and so time-symmetric systems can be viewed as causal or retrocausal.