This will work with vegetable oil and some, off-the-shelf run of the mill, Borosilicate Pyrex (what's used exactly in this demonstration, i'm not sure)
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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I start with a full beaker and ask students to predict what happens when I submerge the little one. When I do it, I can't get it in because something blocks it. I pull out *another* little beaker that had been submerged the entire time, invisible to the class.
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lol i like it
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I think
@ZonePhysics has stolen this off you. -
It’s not mine originally
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Any light scientists or vegetable oil scientists wanna explain this to me like I’m 5?
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Light changes its path when it enters a medium. The larger the medium's "refractive index" (𝘯) is, the more it will "bend". That's why a straw under water looks bent, and also why you can see an otherwise transparent material, such as glass. Namely because 𝘯_glass ≠ 𝘯_air.
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Playing with refractive indices is always fun!pic.twitter.com/YMmGfN0YIe
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This is one of my favourite physics demos I've made for work so far
pic.twitter.com/2yBoBze8yK
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