Physics
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Physics is the science that tries to understand, model, and explain the natural phenomena of the universe. It corresponds to the study of the world which surrounds us in all its forms, laws of its variation and evolution. System modeling … Read More

Observations related to the current global warming
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Various changes observed around the world have led to the conclusion of global warming. The Global Humanitarian Forum, Kofi Annan’s Think Tank, estimates in the first study on the human impact of global warming in 2009, to 300,000 deaths per … Read More

Study on the Origins of Dynamic Jets on Sun’s Surface
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A new NASA-funded study has revealed the origins of spicules – lengthy jets of plasma on the sun’s surface. Scientists have been observing these long strands of solar material since the end of the 19th century, but their origins have … Read More

The egg from the bottle
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Put a fresh egg in a glass of vinegar. Leave the egg in the vinegar until the hard crust dissolves and remains only an elastic membrane. Put the egg thus obtained in water. In 3-7 days, the egg will increase … Read More

Formalism and natural language in analytic philosophy
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Tradition, doctrine and method The definition of analytic philosophy remains ambiguous to the point that it has been argued that it is “preferable to speak of analytic philosophies in the plural.” It can be clarified by distinguishing three uses of … Read More

The cold flame
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A handkerchief can remain whole even if the flame burns. The handkerchief is soaked in water, wring well, then soak in a mixture of water and alcohol 1: 1. This mixture is flammable but burn with a incombustible flame.

Astrophysical constants and parameters
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(Barred spiral galaxy, Eridanus constellation) The following table contains the values of the constants and parameters commonly used in astrophysics and also more particularly in cosmology. Concerning the cosmological parameters, the ΛCDM model which is the basis of the standard … Read More

Scientific controversies
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A scientific controversy can be defined as a friendly or not debate opposing personalities of the scientific community or observers (sociologists of science, journalists …) on a scientific theory point or on historical or philosophical facts to be associated with … Read More

A is for Atom – Physics cartoon, 1953
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Run time 14:26 Producer Sutherland (John) Productions Sponsor General Electric Company Audio/Visual Sd, C Presents in lay terms what an atom is, how energy is released from certain kinds of atoms, the peace-time uses of atomic energy and the by-products … Read More

Prospective of short and medium term for abrupt climate changes
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(The Permian–Triassic extinction event, labelled “P-Tr” here, is the most significant extinction event in this plot for marine genera, https://en.wikipedia.org/wiki/File:Extinction_intensity.svg) In the years 1980-1990, such risks imagined for the future were those related to the consequences of a major nuclear … Read More

Relations of spiritualism to science
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(A modern Ouija board plus planchette) Consistent with David Prado, with the rise of spiritualism, a component will feed his system of thought and practice. These are the “sciences”. At the time, the scientific world was strongly “fascinated” by “table-turnings”, … Read More

Scientific reasoning
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Pure formal type According to Immanuel Kant, formal logic is “science that sets out in detail and proves strictly, only the formal rules of all thought.” Mathematics and formal logic compose this type of reasoning. This class also relies on … Read More

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