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Bunch-Hellemans, The quantum
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Bunch-Hellemans, Expansion of the universe
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Bunch-Hellemans, Estimating the age of Earth
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Bunch-Hellemans, Relativity theory
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Bunch-Hellemans, America’s greatest inventor (what made Edison successful)
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Bunch-Hellemans, Perpetual motion as a 19th-century obsession
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Bunch-Hellemans, The theory of evolution
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Bunch-Hellemans, The patent device, a necessary means to development
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Bunch-Hellemans, Galois and group theory
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Bunch-Hellemans, Non-Euclidean geometry
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Bunch-Hellemans, The philosophical basis of 19th-century science
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Bunch-Hellemans, In search for fiber