What device allows people to speak to each other even if they are 100 miles apart? When was #1 invented? When did Carl Friedrich Gauss die? Is #2 before #3?
Carl Friedrich Gauss
Could Carl Friedrich Gauss speak to someone 100 miles away?
Carl Friedrich Gauss was born in 1777. Speaking to someone 100 miles away requires a telephone. The telephone was invented in 1876.
German mathematician and physicist