With this video you will understand how simple machines work. It’s an interesting way to see how catapults, pulleys of inclined planes work.
In this movie you can see how the steam machine work. The difference is that the burning fuel used in the first train machines worked burning coal.
Now technology can do lots of things, but even these machines can do a difficult operation just on remote control. This machines work on remote control, that means that the surgeon doesn’t need to be present in the operating theater for example.
A huge advance in our science and in our medicine.
Here you can see more videos about this incredible machine.
This is a tv program that explains very well what this machine can do. INCREDIBLE in one word!!
Watch the video and ask the questions whyle you watch it. Just pay attenction to the things they say and you will have to answer correctly to continue watching