theory

Description: Vintage signed Werner Heisenberg’s letter discussing his Uncertainty Principle, 1955. PRINTABLE DIGITAL IMAGE Printable digital file can be used for creating art print, poster and other wall art or …

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Description: Das Kapital (Capital: A Critique of Political Economy) book manuscript by Karl Marx, 1860s. Image is based on the real Karl Marx papers. PRINTABLE DIGITAL IMAGE Printable digital file …

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