A helicopter and a calculator
no
Leonardo did not make them, he imagined them and drew them around 1500.
Leonardo did not make a statue in Florence.
No, he did not.
In 1840
To make a living.
29
Leonardo DA Vinci recorded his notes backwards so he could see them in the mirror.
No, there is no big church conspiracy as far a Leonardo da Vinci is concerned.
Yes he did plan it
because
In 1496!