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List of unsolved problems may refer to several notable conjectures or open problems in various academic fields: Natural sciences, engineering and medicine
The following articles contain lists of problems: List of philosophical problems; List of undecidable problems; Lists of unsolved problems; List of NP-complete problems;
Image credits: nineteensickhorses #3. The disappearance of Kyron Horman. The kid was at school with his stepmom, she saw him walk down the hall in the school and he was never seen again.
The notable unsolved problems in statistics are generally of a different flavor; according to John Tukey, [1] "difficulties in identifying problems have delayed statistics far more than difficulties in solving problems." A list of "one or two open problems" (in fact 22 of them) was given by David Cox. [2]
This article is a list of notable unsolved problems in computer science. A problem in computer science is considered unsolved when no solution is known or when experts in the field disagree about proposed solutions.
The Pioneer Anomaly.This discusses the Pioneer 10 and Pioneer 11 space probes, which appear to be veering off course and drifting towards the sun. At the time of writing of the book there was a growing speculation as to whether this phenomenon could be explained by a yet-undetermined fault in the rockets' systems or whether this was an unidentified effect of gravity.
This is a list of some of the more commonly known problems that are NP-complete when expressed as decision problems. As there are thousands of such problems known, this list is in no way comprehensive. Many problems of this type can be found in Garey & Johnson (1979).
Looking for baby names inspo: See list of most popular names. Millennial, royal family-inspired names on their way out. Catherine, Jaden, Anne, Phillip, Jamal and Esteban are some of the names ...