An introduction to using Quantum Espresso for calculating ground state energies of crystalline atoms. Quantum-Espresso: https://www.quantum-espresso.org/ …
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. The genus Coffea is native to tropical Africa (specifically having its origin in Ethiopia and Sudan) and Madagascar, Comoros, Mauritius, and Réunion in the Indian Ocean.