The Franklin Institute
Franklin Institute: The Case Files: History of Cosmic Inquiry
A history of the science of cosmology, the study of the universe, and the scientists who did pioneering work in this field in the twentieth century.
Khan Academy
Khan Academy: Early Photography: Niepce, Talbot and Muybridge
Photography is a controversial fine art medium, simply because it is difficult to classify-is it an art or a science? Nineteenth-century photographers struggled with this distinction, trying to reconcile aesthetics with improvements in...