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The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.
Physics is a branch of science in which the primary objects of study are matter and energy.These topics were discussed by philosophers across many cultures in ancient times, but they had no means to distinguish causes of natural phenomena from superstitions.
In electromagnetism, a helicon is a low-frequency electromagnetic wave that can exist in bounded plasmas in the presence of a magnetic field.The first helicons observed were atmospheric whistlers, [1] [2] but they also exist in solid conductors [3] [4] or any other electromagnetic plasma.
The Feynman Lectures on Physics is a physics textbook based on a great number of lectures by Richard Feynman, a Nobel laureate who has sometimes been called "The Great Explainer". [1]
Los niños tontos (The Foolish Children) [1] is a collection of twenty-one stories written by Ana María Matute, first published in Madrid in 1956 by Ediciones Arión.. The protagonists of the stories are children, hence the title, however it is not children's literature: themes such as death and cruelty appear in all of the stories.
This monument, known as the Obelisco a los Niños Héroes, was the main monument to the boy martyrs in Mexico City until the mid-twentieth century, when the Monumento a los Niños Héroes was inaugurated at the entrance to Chapultepec Park in 1952. The cenotaph had the names of the fallen cadets and those who were captured and became a site of ...
Samuel de Champlain wrote that in his visits to Mi'kmaq and Huron communities, he met people over 100 years old. Daniel Paul attributes the incredible lifespan in the region to low stress and a healthy diet of lean meats, diverse vegetables, and legumes. [47] 18th-century Prussia [42] 24.7: For males. [42] 18th-century France [42] 27.5–30
Tales of a Fourth Grade Nothing is a children's novel written by American author Judy Blume and published in 1972. [1] It is the first in the Fudge series and was followed by Otherwise Known as Sheila the Great, Superfudge, Fudge-a-Mania, and Double Fudge (2002).