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2answers
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Lake Ice Temperature

Given: A lake with an established sheet of ice of some nominal thickness covering it. It is night (no radiant energy from the sun). No wind. Air temperature -10 degrees Celsius. Will the ...
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2answers
44 views

why only surface of water get frozen in polar countries?

why only surface of water get frozen in polar countries? but if i kept glass full of water in fridge then not only surface, whole water turns frozen ,why?
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1answer
76 views

Does Ice made with hot water melt faster than ice made with cold water?

This is an other side of the coin question about the freezing of hot water vs cold water, called the Mpemba effect.
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1answer
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How can towtrucks tow a heavy truck on icy roads?

(This isn't hardcore physics, but bear with me. I've been watching too much Highway Thru Hell and I'm curious about this) A common problem on the Highway Thru Hell TV-show is trucks stuck on an icy ...
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1answer
78 views

Why does ice melts faster near the surface of water?

I had a few frozen bottles and while they were melting I saw this: in all of the bootles, the ice seems to get thiner near the surface. I have searched a bit and I've found this video that shows ...
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1answer
42 views

can ice crystals be molded into a structural shape in space

I know that water exposed to vacuum space first boils and then turn into vapor (sublimates) . Is it possible re use this vapor say inside a pressurized membrane, to mold it into a solid ice structure, ...
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1answer
599 views

Time constant of ice melt

I'm familiar with problems of "how much ice can you melt given some amount of energy", but I'm writing to get some clarification on the time constant of this event. This question might be somewhat ...
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0answers
39 views

How water anomalies affects the Mpemba effect?

I understand basic explanation of Mpemba effect like this: Distant molecules are easier to realign into new formations. But if we compared two bottles of water like in Mpemba effect and one of them ...
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0answers
30 views

Melting icicles

If I break off the bottom half of an icicle, will the top half melt faster?     ...