# increase temperature of liquid in a box without heat convection or conduction

In Science - Posted on Jul 02, 2015 17:30 - From: physicsforums.com

increase temperature of liquid in a box without heat convection or conduction

hello
I have a liquid or gas inside a metallic box (eg. stainless steel 5mm thick)
how can I increase its temperature without heat convection or conduction?

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