Flashes were created by mixing powder that would create a bright line when a spark is introduced, but it is a very DANGEROUS combinations as if not mixed properly,violent explosions may occur
Yep, the same material used for roads and pavements form. It was however made into varnish and applied to copper or glass plates.
Asphalt or commonly known as Bitumen, was a black viscous liquid that was light-sensitive.
Joseph Nicéphore Niépce was the creator of the first recorded image. He is, however, better known for his other inventions, propellers and boats.
