In the 1880s, a scientist found that radio waves bounce from solid objects. By the 1940s, many countries in the world used radio waves on ships and aircrafts to detect objects. Since then, the Global Positioning System (GPS) has been developed. It uses radio waves from satellites orbiting Earth to find the location of objects on Earth, such as smart phones.

What does this information demonstrate?
A.
Scientific discoveries have no benefits other than gaining knowledge.
B.
Scientific discoveries lead to improvements in technologies.
C.
Technologies are never developed without scientific discoveries.
D.
Technologies are useful but scientific discoveries are not.



Answer :

Other Questions