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An example of luck in science is when drugs under investigation become known for different, unexpected uses. This was the case for minoxidil (an antihypertensive vasodilator that was subsequently found to also slow hair loss and promote hair regrowth in some people) and for sildenafil (a medicine for pulmonary arterial hypertension , now ...
[1] [2] Often, it arises from ignorance, a misunderstanding of science or causality, a belief in fate or magic, or fear of that which is unknown. It is commonly applied to beliefs and practices surrounding luck , prophecy , and certain spiritual beings, particularly the belief that future events can be foretold by specific (apparently ...
A good luck charm is an amulet or other item that is believed to bring good luck. Almost any object can be used as a charm. Coins, horseshoes and buttons are examples, as are small objects given as gifts, due to the favorable associations they make. Many souvenir shops have a range of tiny items that may be used as good luck charms.
"Break a leg" is a typical English idiom used in the context of theatre or other performing arts to wish a performer "good luck". An ironic or non-literal saying of uncertain origin (a dead metaphor ), "break a leg" is commonly said to actors and musicians before they go on stage to perform or before an audition .
It likely entered English as a gambling term, and the context of gambling remains detectable in the word's connotations; luck is a way of understanding a personal chance event. Luck has three aspects: [3] [4] [5] Luck is good or bad. [6] Luck is the result of chance. [7] Luck applies to a sentient being.
The best-known example is the so-called "paradox of the plankton". [6] All plankton species live on a very limited number of resources, primarily solar energy and minerals dissolved in the water. According to the competitive exclusion principle, only a small number of plankton species should be able to coexist on these resources.
This glossary of physics is a list of definitions of terms and concepts relevant to physics, its sub-disciplines, and related fields, including mechanics, materials science, nuclear physics, particle physics, and thermodynamics.
Psychologists since Weiner have distinguished between stable and unstable effort, knowing that in some circumstances effort could be seen as a stable cause (especially given the presence of words such as "industrious" in English). Regarding locus of control, there is another type of control that entails a mix among the internal and external types.