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Hi, I'm Adam. I'm Michael Yuste. And we're the teammates of the first ESO, or first ESO-E.

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And we are going to prove here the refraction of the oil and the pyrex.

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The ideal thing is to have a pyrex as you, but we have here a pyrex colony.

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It's not all colony, it's only this part made of pyrex, and this is made of glass, and this is made of plastic.

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And we have here three glasses, one of water, one with a bit of oil and a bit of water and

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one of oil and now just Marcos is going to introduce the water glass.

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Well when I introduce it you can see this part, the part from the bottom and the line

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divisor with the purex and not purex part and it's normal. And you can see the

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all the thing because of the reflection because you don't see it because it's

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transparent. It's translucent and the light can pass through it. Now we are going to clean it and we are going to introduce it in the part of oil and the part of water. When you introduce it you can see that in the

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part of the oil you only can see the the plastic ray and in the part of the water

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you can see everything because they don't have the same density and here is

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a bit difficult to see but it's all invisible here you can see because it's

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invisible in the part of the oil because they have the same density and the

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and the refraction is made and in the part of the water the reflection is done and now

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in the other one you can you cannot see this part you only can see this that is the thing inside the

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the glass and you can see like a divisory line uh separating the not purex part and the purex

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part that is completely invisible but when you go up you can see it you can see that it's the part

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that separates the pyrex part and the glass part and this is because the the glass and the oil

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doesn't have the same density and the reflection the reflection effect is done and in the oil and

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the glass here, the oil floats because it's denser than the water and I hope you liked

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our experiment and see you.

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Goodbye!