Here is a video with the audacity to suggest that dark matter is also a superfluid https://www.youtube.com/watch?v=BhqAjjik6Lg This suggestion makes it tempting to go one step further, given the ubiquity of hydrogen, to suggest that UDH is one type of dark matter which can form at relatively high temperature.
There is no firm evidence for this conclusion, other than that it would tie up a lot of loose ends if it were accurate. -------------------- According to LH dense hydrogen is a superfluid... ----------------- H LV wrote: Just curious, in what state are the target nuclei? Are these free floating nuclei like in a gas or are they part of a solid? Harry