Title: Antenna (radio).
Question: What can receive a stron signal by transmitting an original wave?

Title: Napoleon.
Question: During the Revolutionary War, which French colony had moved towards political independence?

Title: Richard Feynman.
Question: What electronic instrument did Feynman repair as a child?

Title: Incandescent light bulb.
Question:
All other things being equal, how does wattage affect light emitted?