Question 36 :
What Enrico Fermi invented?
Invented in 1942.
Question 37 :
Which of the following was first patented by an Australian in 1889?
The Electric Drill was the invention of Arthur James Arnot. On 20 August 1889 he patented his design while working for the Union Electric Company in Melbourne. His original design was meant primarily for drilling rock to find coal!
Question 38 :
Who among the following invented the small pox vaccine?
Question 39 :
What George Westinghouse invented?
Invented in 1868.
Question 40 :
Who is the only U.S. President to invent and patent something?
In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.