he built trebuchets, gliders, explosives, crossbow, and a submarine. the only problem was that Da Vinci made 1 error in all of his plans. this one one error only he knew about it so no one could take credit for his inventions.
Same reason they always invent new weapons - to help them win. Superior weapons go a long way to help win a war. America has ruled the world because of superior fire power.
More powerful weapons
disarmament
because of military use.
because there was a war
He didn't really invent weapons however, he did invent musical instruments, hydraulic pumps, reversible crank mechanisms,finned motor shells, and a steam cannon.
Yes Leonardo did invent the scissors... -Taylor D. S. Age:11
Tank, scaling ladder, cluster bombs, ...
You cannot INVENT something which already exists. Leonardo studied the structure.
No. Only Leonardo.
No
no
A kind of.
Yes. Leonardo Da Vinci did invent the hidden blade, it's not its not a exact replica from the Game "Assasins Creed II". BTW he did not invent it in the game..
No.
In 1502-03.
No