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Há 2 dias · Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be molded, extruded or pressed into solid objects of various shapes. This adaptability, plus a wide range of other properties, such as being lightweight, durable, flexible, and inexpensive ...
23 de mai. de 2024 · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Há 2 dias · Mining. Mining of sulfur from a deposit at the edge of Ijen 's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
22 de mai. de 2024 · Jacobin Brasil - Revista referência no debate mundial sobre política, economia e cultura. No domingo passado, o partido Vox da Espanha organizou um comício com líderes de extrema direita do mundo todo, de Marine Le Pen a Javier Milei. Isso mostra como o movimento está se reorganizando e como o Vox está desempenhando um papel central.
Há 5 dias · A prisão da Bastilha simbolizava a arbitrariedade e a opressão do antigo regime, e sua queda em 14 de julho de 1789 tornou-se um evento icônico que marcou o início da Revolução Francesa. A construção da Bastilha foi iniciada durante o reinado de Carlos V, em meados do século XIV, como parte das defesas de Paris.
Há 3 dias · Universal Time (UT1) is mean solar time at 0° longitude, computed from astronomical observations. It varies from TAI because of the irregularities in Earth's rotation. Coordinated Universal Time (UTC) is an atomic time scale designed to approximate Universal Time. UTC differs from TAI by an integral number of seconds.
Há 4 dias · As of May 2015, the current version of the English Wikipedia article / template / redirect text was about 51 GB uncompressed in XML format. The size of the article text in the English Wikipedia, measured in gigabytes (compressed), grew steadily from 1 GB in 2006 to 9 GB in 2013 to 11.5 GB in 2015 as shown in the chart.
