Eureka! · No. 9

A Falling Apple and a Very Big Question

떨어지는 사과와 아주 큰 질문

Isaac Newton · 아이작 뉴턴 — Woolsthorpe, England, 1666 CE

💡 The Idea

Newton's great insight was that gravity is not just a local Earth force — it is universal.

📚 Grammar focus

Past Simple & Past Continuous

전체 레슨을 보고 싶으세요?

Want the full lesson?

회화 연습, 역할극, 문법, 그리고 진짜 선생님이 안에 있어요.
Conversation practice, roleplay, grammar, and a real tutor are inside.