Topic Details (Notes format)

Who discovered the measurement of Earth's circumference?

Who discovered the electron cloud model?

What is the hardest natural substance on Earth?

Who discovered oganesson?

Who discovered electromagnetic induction?

Who invented the telephone?

Who discovered the first Neanderthal remains?

Which chemical compound is known as laughing gas?

Which military campaign is traditionally credited to William the Conqueror in 1066?

Which city is known as the Silicon Valley of India due to its tech industry?