Question 46 :
For what does the world owe Almon Strowger a debt of gratitude?
He was an undertaker, and legend has it, he developed the automatic switch in 1889, to stop competitors from getting his work!
Question 47 :
Who is often called the 'first African-American' inventor?
Banneker was a member of the planning committee that designed Washington, DC along with Pierre L'Enfant. When L'Enfant was fired Banneker recreated the plans from memory.
Question 48 :
The first hand glider was designed by...?
Question 49 :
In which decade was the telegraph invented?
On May 24, 1844, Samuel Morse send his famous message, "What hath God wrought?"
Question 50 :
What inspired reflecting road lights to be invented?
In 1933, Englishman Percy Shaw was driving home when he saw a cat's eyes reflecting. He had been headed straight towards a fence with the cat on it, but on the other side was a drop of hundreds of feet.