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Posts by Alice‭

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Q&A Can I improve internal combustion engine efficiency by slightly changing vacuum permittivity?

Energy released in an exothermic reaction depends on bond energies of reactants and products. Since molecular bonds are electric in nature, at the first glance, increasing Coulomb's force should in...

1 answer  ·  posted 5y ago by Alice‭  ·  last activity 5y ago by Alice‭

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Rigorous Science If someone dropped a black hole into the Sun, when and how will we notice it?

Suppose someone dropped a black hole into our lovely Sun a few million years ago. It was big enough (far bigger than that) from the start to eat matter faster than radiating it away, and kept growi...

1 answer  ·  posted 5y ago by Alice‭  ·  last activity 5y ago by Alice‭

Question stars black-holes