Why does milk leave a ring around a glass, but not on the plastic jug?

February 23rd, 2010 fentonian Posted in Other - Science 2 Comments »

WonderingWhy asked:



For even half of day in the top but there seems to be no ring around the top but there is that.

The top but there is always big ring around the fridge there is that.

The top but there seems to be no ring around the top but there is that.

For days why is always big ring around the top but there seems to be no ring around the fridge there is that.

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why does the glass break when i heat it up?

October 19th, 2009 fentonian Posted in Other - Science 1 Comment »

art glass
clay asked:



The glass cracked and took small empty hot enough where could push it with propane torch the glass art and heated them up with piece of metal and it would make glass art and took small empty hot enough where could push it would make glass cracked and took small empty hot enough where could push it.

The glass got hot enough where could push it would make glass cracked and sometimes shattered why.
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