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  2. Java (programming language) - Wikipedia

    en.wikipedia.org/wiki/Java_(programming_language)

    Java is a high-level, general-purpose, memory-safe, object-oriented programming language.It is intended to let programmers write once, run anywhere (), [16] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [17]

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Number theory began with the manipulation of numbers, that is, natural numbers (), and later expanded to integers and rational numbers (). Number theory was once called arithmetic, but nowadays this term is mostly used for numerical calculations. [15]

  4. Silicon - Wikipedia

    en.wikipedia.org/wiki/Silicon

    Following periodic trends, its single-bond covalent radius of 117.6 pm is intermediate between those of carbon (77.2 pm) and germanium (122.3 pm). The hexacoordinate ionic radius of silicon may be considered to be 40 pm, although this must be taken as a purely notional figure given the lack of a simple Si 4+

  5. Quantum computing - Wikipedia

    en.wikipedia.org/wiki/Quantum_computing

    Problems that can be efficiently addressed with Grover's algorithm have the following properties: [77] [78] There is no searchable structure in the collection of possible answers, The number of possible answers to check is the same as the number of inputs to the algorithm, and

  6. IEEE 802.11 - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.11

    The Sequence Control field is a two-byte section used to identify message order and eliminate duplicate frames. The first 4 bits are used for the fragmentation number, and the last 12 bits are the sequence number. An optional two-byte Quality of Service control field, present in QoS Data frames; it was added with 802.11e.

  7. Laser - Wikipedia

    en.wikipedia.org/wiki/Laser

    With increasing beam power, the net gain (gain minus loss) reduces to unity and the gain medium is said to be saturated. In a continuous wave (CW) laser, the balance of pump power against gain saturation and cavity losses produces an equilibrium value of the laser power inside the cavity; this equilibrium determines the operating point of the ...

  8. Nuclear fusion - Wikipedia

    en.wikipedia.org/wiki/Nuclear_fusion

    The maximum value of σv /T 2 is taken from a previous table. The "penalty/bonus" factor is that related to a non-hydrogenic reactant or a single-species reaction. The values in the column "inverse reactivity" are found by dividing 1.24 × 10 −24 by the product of the second and third columns.