"We are developing an all stainless steel vacuum sealed bottle that will handle boiling liquids and not burn the one holding it."

I don't think he understood how you wanted to use it, despite the clarity of your question.

I can see a SS vacuum bottle holding boiling liquids. Science isn't my strong point, but if a container (even SS) is made of two walls with a vacuum between, how is it going to boil water? Isn't the whole point of a vacuum NOT to transfer heat (or cold)?

Or is someone here going to make me feel like a dummy? (Go ahead, I've been there before....)

Sue