Heat pipes

http://www.google.com/patents?id=7PoMAAAAEBAJ&pg=PA1&dq=thermacore&hl=en&ei=pspHTor7I8PA8QO137XgDQ&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCsQ6AEwAQ#v=onepage&q=thermacore&f=false

http://www.thermacore.com/products/heat-exchangers.aspx

http://www.thermacore.com/frequently-asked-questions/default.aspx