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Mu problem: A problem in supersymmetric theories, concerned with understanding the reasons for parameter values of the theory. Koide formula : An aspect of the problem of particle generations . The sum of the masses of the three charged leptons , divided by the square of the sum of the roots of these masses, to within one standard deviation of ...
On 7 January, the IDF conducted a targeted missile strike on a car carrying Al Jazeera journalists Hamza Dadouh and Mustafa Thuraya; they and their driver were killed. [ 352 ] Rocket attacks on Israeli cities by Hamas decreased during this period with notable attacks on New Year's Eve and 29 January 2024.
While the items that define a wicked problem relate to the problem itself, the items that define a super wicked problem relate to the agent trying to solve it. Global warming is a super wicked problem, and the need to intervene to tend to our longer term interests has also been taken up by others, including Richard Lazarus .
"NP-complete problems are the most difficult known problems." Since NP-complete problems are in NP, their running time is at most exponential. However, some problems have been proven to require more time, for example Presburger arithmetic. Of some problems, it has even been proven that they can never be solved at all, for example the halting ...
Phrases used by the tech savvy to mean that a problem is caused entirely by the fault of the user include PEBKAC [8] (an acronym for "problem exists between keyboard and chair"), PEBCAK [9] (an alternative, but similar, acronym for "problem exists between chair and keyboard"), POBCAK (a US government/military acronym for "problem occurs between ...
Shapiro was born on June 20, 1973, in Kansas City, Missouri. [7] He spent a few years of his childhood on a U.S. Navy base where his father, Steven Shapiro, served as a medical officer, [8] before the family moved to Dresher, Pennsylvania, a community in Upper Dublin Township in Montgomery County. [9]
Unsolved problems relating to the structure and function of non-human organs, processes and biomolecules include: Korarchaeota (archaea). The metabolic processes of this phylum of archaea are so far unclear. Glycogen body. The function of this structure in the spinal cord of birds is not known. Arthropod head problem. A long-standing zoological ...
A social issue is a problem that affects many people within a society. It is a group of common problems in present-day society and ones that many people strive to solve. It is often the consequence of factors extending beyond an individual's control.