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Lecture 14: Material Modeling (15)
ethanweber

I'm curious how this relates to when the water is covered in ice, or ice and snow? For example, if you were to fall through ice on lake, what is the right strategy to get out? I feel like I've been told to swim towards the dark spot, but upon further research, it seems like you want to swim to the spot in the ice with the most contrast--which is likely the location of the hole where you fell in.

ksaralle

it is a little confusing for me to understand the second example where the professor talked about divers can only see a small circle of light emitted from above water because the peripheral lightings are not refracted due to the total internal reflection phenomenon. but i thought total internal reflection only happens when light is emitted from water to air? (from larger index of refraction material to smaller?)

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