Who constructed the first radio receiver?

Guglielmo Marconi

Nikola Tesla

Alexander Graham Bell

Thomas Edison

Marconi was credited to be the first radio constructor, but in 1943 the US Supreme Court has granted patent rights to Tesla patent. Marconi admitted he was using Tesla's work in his construction.

Ninjai

NoRud

inventionsinventors

Inventions quiz Inventors quiz

You will play as

Answers by country

Estonia

41%

58%

the United States

32%

56%

Greece

50%

41%

Australia

30%

38%

26%

Poland

42%

33%

15%

1516

India

39%

33%

15%

12%

Germany

32%

24%

26%

14%

190

the United Kingdom

52%

22%

12%

Switzerland

21%

47%

10%

Republic of Ireland

75%

20%

Austria

46%

17%

21%

12%

The Claw of Archimedes was used as ...

irrigation tool

weapon that protected Syracuse

buoyancy test

locksmith's tool

What company is the only company to have created a prototype of a nearly infinite source of energy?

What Yugioh Archetype has the most amount of cards?

What cloud occurs in the form of 'almost invisible curtain' and gives no rainfall?