“…A diverse group of U.S. institutions are involved in recent experimental work related to heat pipes. These include Idaho National Laboratory (INL) [1, 19-21, 75, 85], LANL, the National Aeronautics and Space Administration (NASA) [8,[86][87][88][89][90][91][92][93], Rensselaer Polytechnic Institute (RPI) [16,47,54,79,80,94], Texas A&M University (TAMU) [33,43,52,53,75], University of Michigan (UM) [64,95,96], and University of Wisconsin-Madison (UW) [97,98]. These institutions have taken a variety of different approaches in their respective experiments.…”