Other Examples of Fine-Tuning Quadruple dark energy, repulsive gravity too strong ? no galaxies. Nuclear interaction strength: ?0.4%, stars produce either all carbon or all oxygen, not both. Strong force: ?10%, either there are no complex nuclei, only protons, or there are superheavy nuclei and atoms and no chemistry.
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limit of cosmic knowledge : Talk by Sandra M. Faber on 11-Dec'12
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