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10 hours ago · Quantum logic gate. In quantum computing and specifically the quantum circuit model of computation, a quantum logic gate (or simply quantum gate) is a basic quantum circuit operating on a small number of qubits. Quantum logic gates are the building blocks of quantum circuits, like classical logic gates are for conventional digital circuits.
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10 hours ago · Bell's theorem. Bell's theorem is a term encompassing a number of closely related results in physics, all of which determine that quantum mechanics is incompatible with local hidden-variable theories, given some basic assumptions about the nature of measurement. "Local" here refers to the principle of locality, the idea that a particle can only ...
10 hours ago · The Sun is the star at the center of the Solar System. It is a massive, hot ball of plasma, inflated and heated by energy produced by nuclear fusion reactions at its core. Part of this energy is emitted from its surface as visible light, ultraviolet, and infrared radiation, providing most of the energy for life on Earth.
10 hours ago · 5 ( five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. It has garnered attention throughout history in part because distal extremities in humans typically contain five digits .
10 hours ago · The leading institutions in the United Kingdom's constitution are Parliament, the judiciary, the executive, and regional and local governments, including the devolved legislatures and executives of Scotland, Wales, and Northern Ireland. Parliament is the supreme law-making body, and represents the people of the United Kingdom.
10 hours ago · 6 is the root of the 6-aliquot tree, and is itself the aliquot sum of only one other number; the square o number, 25. Six is the first unitary perfect number, since it is the sum of its positive proper unitary divisors, without including itself. Only five such numbers are known to exist; sixty (10 × 6) and ninety (15 × 6) are the next two.
10 hours ago · Tiger. The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail, and orange fur with distinctive black, mostly vertical stripes.
