Multiple choice general knowledge science & technology

airplane by:

  1. Wilbur & Orville Wright

  2. Valdemar Poulsen

  3. Fritz Pfleumer

  4. Earle Dickson

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Wright brothers (Wilbur & Orville) made the first controlled, sustained powered aircraft flight in 1903. Poulsen invented the telegraphone (magnetic recording), Pfleumer developed magnetic tape, and Dickson created Band-Aids.