Which renaissance artist described the uses of the camera obscura?

According to the article in wiki answer, digital communication systems have more benefits than analog systems. they are faster and more flexible, and they offer better performance than analog communication

How did duke ellington create a new musical style that grew out of the ragtime tradition?

Alex thinking about repleacing the word feared at the end of paraghaph 2 with dreaded. why do you think he want to make that change? dreaded has a neutral connotation, feared has a neutral connotation, dreaded has a stronger negative connotation, feared has a more negative connotation.