Arquivos Luz - Scitke

18novnovembro 18, 2024

Experiência com Laser Mostra que a Luz Lança a sua Própria Sombra

A sombra de um raio laser pode ser vista como uma pequena linha escura que atravessa a luz azul. R. A. Abrahão, H. P. N. Morin, J. T. R. Pagé, A. Safari, R. W. Boyd, J. S. LundeenUma nova experiência demonstrou algo aparentemente impossível: a luz que projecta a sua própria sombra. Quando um...

By Marcílio SantosFisica ExperimentalLaser, Luz, Sombra0 CommentsRead more...

27setsetembro 27, 2023

O Material Fluído Controla a Passagem de Luz e Calor nas Janelas

Os cientistas desenvolveram um novo tipo de janela dinâmica que pode alternar entre três modos, bloqueando seletivamente a luz e/ou o calor. Crédito: PixaobayAs janelas são essenciais para permitir a entrada de luz e calor em um espaço, mas há situações em que você pode não querer ambos simultaneamente. Recentemente, engenheiros da Universidade Estadual...

By Jorge PakaMaterial & Energia, TechCalor, Luz, Material FluídoComments OffRead more...

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Tag - Luz