QUESTION: Generate a question with a factual answer?

ANS: Who did the first studies on exploring a new idea of sensory memory?

QUESTION: Generate a question with a factual answer?

ANS: When was the Rastrakuta Empire started?

QUESTION: Generate a question with a factual answer?

ANS: What is the symbol for Zinc?

QUESTION: Generate a question with a factual answer?

ANS:
Who discovered non-radio uses for early LED devices?