Mention225497
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| so:text | How does it come about that we have been able to find satisfactory hypotheses to explain electricity and magnetism, light and heat, in short all other physical phenomena, but have been unsuccessful in the case of gravitation? (en) |
| so:isPartOf | https://en.wikiquote.org/wiki/Willem_de_Sitter |
| so:description | Kosmos (1932) (en) |
| so:description | Above is Beginning Quote of the Last Chapter: Relativity and Modern Theories of the Universe==== --X (en) |
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Triples where Mention225497 is the object (without rdf:type)
| qkg:Quotation212235 | qkg:hasMention |
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