Who is attributed with coming up with the most influential scientific innovation of the 18th and 19th centuries?
Select one:
a. James Watt
b. Louis Pasteur
c. Andrew Carnegie
d. Charles Darwin
QUESTION 2
What innovation of this era of great scientific discoveries came about due to an error by a lab assistant?
Select one:
a. carbonized steel
b. steam engine
c. vaccination
d. nuclear fusion