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14 hours ago · Properties Form and structure Gallium crystals Most metals are shiny and lustrous, at least when polished, or fractured. Sheets of metal thicker than a few micrometres appear opaque, but gold leaf transmits green light. This is due to the freely moving electrons which reflect light. Although most elemental metals have higher densities than nonmetals, there is a wide variation in their ...
14 hours ago · The Han Chinese or Han people [b] and colloquially known as the Chinese [35] are an East Asian ethnic group native to Greater China. They are the world's largest ethnic group, making up about 17.5% of the global population . The Han Chinese are the largest ethnic group in China — including mainland China, Hong Kong, and Macau — with a ...
14 hours ago · 3 Idiots is a 2009 Indian Hindi -language coming-of-age comedy-drama film written, edited and directed by Rajkumar Hirani, co-written by Abhijat Joshi and produced by Vidhu Vinod Chopra. Adapted loosely from Chetan Bhagat 's novel Five Point Someone, [5] the film stars Aamir Khan, R. Madhavan and Sharman Joshi in the titular roles, marking ...
14 hours ago · IN. Internet TLD. .in ( others) India, officially the Republic of India ( ISO: Bhārat Gaṇarājya ), [21] is a country in South Asia. It is the seventh-largest country by area; the most populous country as of June 2023; [22] [23] and from the time of its independence in 1947, the world's most populous democracy.
14 hours ago · Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22,000 species have been classified.
14 hours ago · Educational research. Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. [1] [2] When referred to with its abbreviation, "EdTech", it often refers to the industry of companies that create educational technology.
