Mute
Com.Ciência.Gaia
O vidro não está “pintado” de vermelho. Ele está emitindo luz por causa da temperatura. Esse fenômeno se chama incandescência e acontece com qualquer material aquecido o suficiente. Todos os corpos que estão acima de 0 Kelvin (zero absoluto) emitem radiação térmica. Isso ocorre porque as partículas da matéria estão em constante movimento e cargas elétricas aceleradas emitem radiação eletromagnética. Em temperaturas comuns, essa radiação está principalmente no infravermelho, que não conseguimos
Follow
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