I WONDER - Who Was Leonardo Da Vinci?

Leonardo da Vinci, a quintessential Renaissance figure, was not only an artist but also a visionary inventor. Known for masterpieces like the Mona Lisa, his notebooks reveal a deep interest in flight and machinery. He conceptualized a flying machine akin to a modern helicopter and designed an armored car resembling an ancient tank. These ideas were far ahead of their time, highlighting Leonardo's extraordinary foresight.

What did Leonardo da Vinci design that resembles a modern helicopter?

How were Leonardo's concepts ahead of their time?