Da Vinci's designs were spectacularly ahead of his time. If they had actually been built, they might have revolutionised the history of technology. You will see just some of his most imaginative sketches and inventions? Much of the focus is also on literacy for example:
The branch of science and technology concerned with the design, building, and use of engines, machines, and structures.
The work done by, or the occupation of, an engineer.
The action of inventing something, typically a process or device.
Something, typically a process or device, that has been invented.
A man who has broad intellectual interests and is accomplished in areas of both the arts and the sciences