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is there any special materials really aid in keeping liquid warm?
i read an article before introducing a kind of gel that can avoid a cup of hot liquid from being cool down by surrounding, anyone know wht's it?
and any other special materials or mechanism that can achieve that too?
and any other special materials or mechanism that can achieve that too?
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I just typed a long answer, but closed my browser by mistake. Argh!
I think you're referring to aerogel:
http://en.wikipedia.org/wiki/Aerogel
What you're wanting is a vacuum.
I think you're referring to aerogel:
http://en.wikipedia.org/wiki/Aerogel
What you're wanting is a vacuum.
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