Topics from May 2017
- Why Edison is called the Inventor of Inventors?
- Why Galileo is called a great scientist?
- Why Einstein is called the greatest scientist of the 20th century?
- Who discovered radium?
- What was discovered by Enrico Fermi?
- How was wheel invented?
- How did Archimedes detect impurity in the golden crown?
- Why Newton is called the Father of Physics?