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<blockquote data-quote="Hermit" data-source="post: 120120" data-attributes="member: 216"><p>You told me in the FE thread that gravity is mass attracting mass, now you're going with the spacetime nonsense.</p><p></p><p></p><p>Newtonian gravity = a force that causes mass to attract mass (no spacetime)</p><p>Einsteinian gravity = not a force, curvature of spacetime</p><p></p><p>If you cannot tell the difference, okay.</p><p></p><p></p><p>Tested how? The 1919 solar eclipse? That is not a scientific experiment because an experiment requires the one doing the experiment to manipulate an independent variable (the presumed cause of a natural phenomenon). Observing a solar eclipse and claiming it proves anything is not an experiment.</p><p></p><p>Any "test" of General Relativity takes the following form:</p><ul> <li data-xf-list-type="ul">If GR is true, we will observe X.</li> <li data-xf-list-type="ul">We observe X, therefore GR is true.</li> </ul><p>...which is an affirming the consequent fallacy. For example, if someone claimed unicorns cause deflection of light by the Sun during a solar eclipse, they could use the following fallacious argument:</p><ul> <li data-xf-list-type="ul">If unicorns exist, then we will observe deflection of light by the Sun during a solar eclipse. </li> <li data-xf-list-type="ul">We observe deflection of light by the Sun during a solar eclipse, therefore unicorns exist." </li> </ul><p>Also, "thought experiments" are not scientific experiments.</p><p></p><p>General relativity <a href="https://en.wikipedia.org/wiki/Theory_of_relativity#Experimental_evidence" target="_blank">does not have a hypothesis</a> which is an essential component of the scientific method.</p></blockquote><p></p>
[QUOTE="Hermit, post: 120120, member: 216"] You told me in the FE thread that gravity is mass attracting mass, now you're going with the spacetime nonsense. Newtonian gravity = a force that causes mass to attract mass (no spacetime) Einsteinian gravity = not a force, curvature of spacetime If you cannot tell the difference, okay. Tested how? The 1919 solar eclipse? That is not a scientific experiment because an experiment requires the one doing the experiment to manipulate an independent variable (the presumed cause of a natural phenomenon). Observing a solar eclipse and claiming it proves anything is not an experiment. Any "test" of General Relativity takes the following form: [LIST] [*]If GR is true, we will observe X. [*]We observe X, therefore GR is true. [/LIST] ...which is an affirming the consequent fallacy. For example, if someone claimed unicorns cause deflection of light by the Sun during a solar eclipse, they could use the following fallacious argument: [LIST] [*]If unicorns exist, then we will observe deflection of light by the Sun during a solar eclipse. [*]We observe deflection of light by the Sun during a solar eclipse, therefore unicorns exist." [/LIST] Also, "thought experiments" are not scientific experiments. General relativity [URL='https://en.wikipedia.org/wiki/Theory_of_relativity#Experimental_evidence']does not have a hypothesis[/URL] which is an essential component of the scientific method. [/QUOTE]
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