Genius at work: Are you a true innovator?

Coin

0

pts

Fire

0

streak

Your Progress


  • Location

    You are here

    Question 1 out of 20

0/20

Which of these is the first patented device used to record sound?

Image Credit: Bru-nO

Microphone

Telegraphone

Phonautograph

Ediphone

Don't miss out on these
hand-crafted quizzes!

Ka-boom! Beat this electrifying quiz on action movies of the past century

Get on your lunar rover and come explore these rocky Moon facts.

Think you know your history? Take our women of impact quiz now!