Normative ethics

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(The tram dilemma is a thought experiment that can serve to illustrate and test different ethical theories.) Normative ethics is the branch of ethics that studies the possible moral criteria to determine when an action is right and when it is not. It looks for general principles that … Read More

Electrostatics

(Lightning causing a flash of light over Oradea in Romania.) Electrostatics is the branch of physics that studies the phenomena created by static electric charges for the observer. The obtained laws can be generalized to variable (quasi-electrostatic) systems provided that … Read More

Phenomena

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(Cloud chamber phenomena. Scientists use phenomena to refine some hypotheses and sometimes to disprove a theory. ) A phenomenon is the way in which a thing, a fact of the physical world (object, action …), psychic (emotion, thought …) or … Read More

Scientific methods

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The acquired knowledge can only be qualified as scientific if the scientificity of the obtaining process has been demonstrated. The “scientific method” (ancient Greek methodos, “pursuit, research, plan”) is “the set of reasoned processes to achieve a goal; this one … Read More

Vibrations

posted in: Acoustics 0

A vibration is a mechanical oscillation motion around a stable equilibrium position or an average trajectory. The vibration of a system can be free or forced. According to the type and nature of vibration, and according to the measuring means, … Read More

Phenomenon

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A phenomenon is the way in which a thing, a fact of the physical world (object, action …), psychic (emotion, thought …) or social (product of social interactions) is manifested to the sensitivity of a living being. Certain phenomena of … Read More

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