13/13 Ed and Oucho need to find out about radio waves if they want to win Carl Trouser's quiz.

The article suggested the possibility of using radio waves to communicate without ... Marconi continued to refine and expand upon his inventions in the next few years, and then turned toward ...

After receiving a PhD from Yale in 1896 with a dissertation on radio waves, he developed an improved ... but often was uable to see the potential of his inventions or grasp their theoretical ...