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This was one of Leonardo's most interesting inventions he ever created. This was one of the early inventions of a robot. Although, this knight could only move its arms, sit, and stand. This would provide a basis for automation in the future, which would have a great impact.

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This was another one of his inventions that would contribute to the world of flight. This was inspired by birds and how they fly. Also, this was operated in which a person would flap the wings that were attached that would allow the person to be lifted off the ground. Although, this still would only keep you in the air for a short duration. Although, his notes that he had showed his knowledge of aerodynamics which would help people develop the first airplane.

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This painting shows Archangel Gabriel down on his knees, with his hand that is raised toward Mary, as a greeting in the Florentine palace garden. What was used to create this was oil paint and a tempera panel. One of the principles of the Renaissance that this depicts is humanism. The reason is because in the painting Mary saves man for itself. As a result she rejects God and agrees than any man does not need God anymore. That is how the principle humanism is demonstrated.

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This was a mural that illustrates the last meal that Jesus ever had before he was arrested by the authorities. This painting shows the principle perspective, as you can see that three-dimensional drawing techniques that were used. This was able to show how large the room the people were in and made it more realistic. Also, another principle is that this shows is classicalism, in which styles of Ancient Greece and Rome were included. In the mural you can see that Leonardo showed some of the architecture of Ancient Greece and Rome, which is why this painting demonstrates classicalism.

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If anybody knew the most about weapons in warfare, it was Leonardo Da Vinci. This weapon had six wheels and was made of out of thin wood. This weapon instead fired large stones or bombs rather than arrows. Although, this weapon was not used a lot in fighting, as it was used more to scare the enemies because of the size of it. This was another weapon that would help many armies across Europe.

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This was another one of his inventions that would add a new layer to the battlefield. This weapon that was developed had three cannons, in which they could be adjusted in height. Also, this weapon was more lightweight which would allow this weapon to be moved across different areas during battle, as there were large wheels attached to this. This would add a whole new layer to battles, as this was one military weapon that would be very helpful.

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Leonardo Da Vinci is also well known for his invention the Air Screw or the Helical Air Screw. He designed this product to obtain flight.  It was made out of reed, linen and wire. He believed that the propeller had enough rotation, it would be able to lift itself off of the ground. Other scientists seriously doubted his invention. The weight restrictions caused his product to fail and it was not able to lift off the ground. However, little did they know that the first helicopter would be built in 1940 using his Aerial Screw.

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This device was one of Leonardo's inventions. This was created to measure the speed of wind. Eventually, this would help people find out the direction of the wind before taking flight. Also, the way this device works is that there is a piece of wood that hangs in a arched frame. If you see the highest point the wood reached on the scale, that is on the anemometer, then you can find out the force of the wind.

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This was also one of Leonardo's greatest accomplishments. This illustrated a man which was in two positions at one time, With the legs and arms in different poses, while the whole entire body was surrounded by a circle and a square. Also, this drawing had notes which were from the architect Vitruvius. This drawing combined science and art, as this showed the proportionality of the human body that Leonardo expressed. The Renaissance principle that this drawing showed was humanism. The way that Leonardo put an emphasis on how the human body's proportions were, which was not related to religion, and had to do with science. Another principle that is represented is classicalism. Since this drawing included notes from the architect Vitruvius, this related to the styles of Ancient Greece and Rome because notes were written during that time and they were incorporated into this drawing which is how this piece represents classicalism.

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One of his most important accomplishments was the Mona Lisa. This is a portrait that was painted by Leonardo. Also, this is a half-body portrait of woman, with a very detailed background. This would lay the foundation for many paintings in the future because of the techniques that were used, which would further develop contemporary art. Perspective was one of the Principles of the Renaissance that Leonardo incorporated into this work. As you can see in the painting, there is the background. In the background you can see that the mountains had depth and there was more detail. This was a three-dimensional technique that made the portrait more realistic and made it standout. Also, this represents humanism, as this puts emphasis on a human and has no connection to religion. This shows how beautiful a human being can be, as this makes it more realistic.

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This man was a painter, sculptor, inventor, and scientist. Leonardo was very interested in how many things worked. He would go on to discover many things of the world, as the discoveries he made would carry over into his art. Also, he would create many inventions that would make many people's lives easier.