Stop the Climate Crisis! Information on climate issues and climate politics, with focus on travel and mobility.
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This is the homepage of Prof. Dr. Dr. h.c. Hagen Kleinert. Read his famous textbooks on Path Integrals, Multivalued Fields, Critical Phenomena, Defects, and quantum field theory here.
inverted hysteresis, overunity, second law, energy conservation, perpetuum mobile, science
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Main Page of the elsenaju Mathematics Tutorial. Content overview of the math tutorial