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10 hours ago · Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms. [2] : 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science . Quantum mechanics can describe many systems that ...
1 day ago · However, some Islamic banks offer products called qardh-ul hasan which charge lenders a management fee, and others have savings account products called qardh-ul hasan, (the "loan" being a deposit to a bank account) where the debtor (the bank) may pay an extra amount beyond the principal amount of the loan (known as a hibah, literally gift) if ...
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10 hours ago · Renewable energy systems are rapidly becoming more efficient and cheaper and their share of total energy consumption is increasing, with a large majority of worldwide newly installed electricity capacity being renewable. In most countries, photovoltaic solar or onshore wind are the cheapest new-build electricity.