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Há 2 dias · Glass is an amorphous or non-crystalline solid. Because it is often transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window panes, tableware, and optics. Some common objects made of glass like "a glass" of water, "glasses", and "looking glass", have become named for their material.
Há 6 dias · Marie Curie. She is the only person to win a Nobel Prize in two sciences. Maria Salomea Skłodowska-Curie [a] ( Polish: [ˈmarja salɔˈmɛa skwɔˈdɔfska kʲiˈri] ⓘ; née Skłodowska; 7 November 1867 – 4 July 1934), known simply as Marie Curie ( / ˈkjʊəri / KURE-ee, [1] French: [maʁi kyʁi] ), was a Polish and naturalised -French ...
Há 1 dia · Dark matter can refer to any substance which interacts predominantly via gravity with visible matter (e.g., stars and planets). Hence in principle it need not be composed of a new type of fundamental particle but could, at least in part, be made up of standard baryonic matter, such as protons or neutrons.
Há 4 dias · Nikola Tesla ( / ˈtɛslə /; [2] Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July [ O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American [3] [4] inventor, electrical engineer, mechanical engineer, and futurist. He is known for his contributions to the design of the modern alternating current (AC) electricity supply system. [5]
Há 5 dias · Mohammad Abdus Salam [4] [5] [6] NI (M) SPk ( / sæˈlæm /; pronounced [əbd̪ʊs səlaːm]; 29 January 1926 – 21 November 1996) [7] was a Pakistani theoretical physicist. He shared the 1979 Nobel Prize in Physics with Sheldon Glashow and Steven Weinberg for his contribution to the electroweak unification theory. [8] He was the first Pakistani and the first scientist from an Islamic country ...
Há 4 dias · The Ising model (or Lenz–Ising model ), named after the physicists Ernst Ising and Wilhelm Lenz, is a mathematical model of ferromagnetism in statistical mechanics. The model consists of discrete variables that represent magnetic dipole moments of atomic "spins" that can be in one of two states (+1 or −1). The spins are arranged in a graph ...
Há 4 dias · In physics and mechanics, compression refers to the application of a compressive force to an object, leading to its deformation by squeezing or pressing inward and resulting in a decrease in size or volume. This force is encountered across diverse fields, including structural engineering, material testing, and hydraulic systems, where objects ...
