Answer:
The author introduces and illustrates the differences between truly accidental discoveries and those made by hard-working scientists:
By saying that the scientists discovered certain uses as an accident, but they were working hard on research for the element and different applications.
How does the author feel about the two kinds of discoveries?
He says that making a good discovery requires hard work, and that accident might not mean a lack of discipline.
Step-by-step explanation:
To understand these answers we need to analyze the context, first of all, the author says that all discoveries are accompanied and produced by discipline and hard work. Thus, even though when certain discoveries were made by accident, the ways they were discovered point out that they were made under very strict and disciplined studies. Recognizing the effort of scientists.